diff options
Diffstat (limited to 'matching/include/spdlog/fmt/bundled/core.h')
| -rw-r--r-- | matching/include/spdlog/fmt/bundled/core.h | 1502 |
1 files changed, 0 insertions, 1502 deletions
diff --git a/matching/include/spdlog/fmt/bundled/core.h b/matching/include/spdlog/fmt/bundled/core.h deleted file mode 100644 index 50b7935..0000000 --- a/matching/include/spdlog/fmt/bundled/core.h +++ /dev/null @@ -1,1502 +0,0 @@ -// Formatting library for C++ - the core API -// -// Copyright (c) 2012 - present, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_CORE_H_ -#define FMT_CORE_H_ - -#include <cassert> -#include <cstdio> // std::FILE -#include <cstring> -#include <iterator> -#include <string> -#include <type_traits> - -// The fmt library version in the form major * 10000 + minor * 100 + patch. -#define FMT_VERSION 50300 - -#ifdef __has_feature -# define FMT_HAS_FEATURE(x) __has_feature(x) -#else -# define FMT_HAS_FEATURE(x) 0 -#endif - -#if defined(__has_include) && !defined(__INTELLISENSE__) && \ - !(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1600) -# define FMT_HAS_INCLUDE(x) __has_include(x) -#else -# define FMT_HAS_INCLUDE(x) 0 -#endif - -#ifdef __has_cpp_attribute -# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) -#else -# define FMT_HAS_CPP_ATTRIBUTE(x) 0 -#endif - -#if defined(__GNUC__) && !defined(__clang__) -# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) -#else -# define FMT_GCC_VERSION 0 -#endif - -#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) -# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION -#else -# define FMT_HAS_GXX_CXX11 0 -#endif - -#ifdef _MSC_VER -# define FMT_MSC_VER _MSC_VER -#else -# define FMT_MSC_VER 0 -#endif - -// Check if relaxed C++14 constexpr is supported. -// GCC doesn't allow throw in constexpr until version 6 (bug 67371). -#ifndef FMT_USE_CONSTEXPR -# define FMT_USE_CONSTEXPR \ - (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ - (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) -#endif -#if FMT_USE_CONSTEXPR -# define FMT_CONSTEXPR constexpr -# define FMT_CONSTEXPR_DECL constexpr -#else -# define FMT_CONSTEXPR inline -# define FMT_CONSTEXPR_DECL -#endif - -#ifndef FMT_USE_CONSTEXPR11 -# define FMT_USE_CONSTEXPR11 \ - (FMT_USE_CONSTEXPR || FMT_GCC_VERSION >= 406 || FMT_MSC_VER >= 1900) -#endif -#if FMT_USE_CONSTEXPR11 -# define FMT_CONSTEXPR11 constexpr -#else -# define FMT_CONSTEXPR11 -#endif - -#ifndef FMT_OVERRIDE -# if FMT_HAS_FEATURE(cxx_override) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_OVERRIDE override -# else -# define FMT_OVERRIDE -# endif -#endif - -#if FMT_HAS_FEATURE(cxx_explicit_conversions) || \ - FMT_GCC_VERSION >= 405 || FMT_MSC_VER >= 1800 -# define FMT_USE_EXPLICIT 1 -# define FMT_EXPLICIT explicit -#else -# define FMT_USE_EXPLICIT 0 -# define FMT_EXPLICIT -#endif - -#ifndef FMT_NULL -# if FMT_HAS_FEATURE(cxx_nullptr) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1600 -# define FMT_NULL nullptr -# define FMT_USE_NULLPTR 1 -# else -# define FMT_NULL NULL -# endif -#endif -#ifndef FMT_USE_NULLPTR -# define FMT_USE_NULLPTR 0 -#endif - -// Check if exceptions are disabled. -#ifndef FMT_EXCEPTIONS -# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ - FMT_MSC_VER && !_HAS_EXCEPTIONS -# define FMT_EXCEPTIONS 0 -# else -# define FMT_EXCEPTIONS 1 -# endif -#endif - -// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). -#ifndef FMT_USE_NOEXCEPT -# define FMT_USE_NOEXCEPT 0 -#endif - -#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_DETECTED_NOEXCEPT noexcept -# define FMT_HAS_CXX11_NOEXCEPT 1 -#else -# define FMT_DETECTED_NOEXCEPT throw() -# define FMT_HAS_CXX11_NOEXCEPT 0 -#endif - -#ifndef FMT_NOEXCEPT -# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT -# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT -# else -# define FMT_NOEXCEPT -# endif -#endif - -#ifndef FMT_BEGIN_NAMESPACE -# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ - FMT_MSC_VER >= 1900 -# define FMT_INLINE_NAMESPACE inline namespace -# define FMT_END_NAMESPACE }} -# else -# define FMT_INLINE_NAMESPACE namespace -# define FMT_END_NAMESPACE } using namespace v5; } -# endif -# define FMT_BEGIN_NAMESPACE namespace fmt { FMT_INLINE_NAMESPACE v5 { -#endif - -#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) -# ifdef FMT_EXPORT -# define FMT_API __declspec(dllexport) -# elif defined(FMT_SHARED) -# define FMT_API __declspec(dllimport) -# endif -#endif -#ifndef FMT_API -# define FMT_API -#endif - -#ifndef FMT_ASSERT -# define FMT_ASSERT(condition, message) assert((condition) && message) -#endif - -// libc++ supports string_view in pre-c++17. -#if (FMT_HAS_INCLUDE(<string_view>) && \ - (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ - (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) -# include <string_view> -# define FMT_STRING_VIEW std::basic_string_view -#elif FMT_HAS_INCLUDE(<experimental/string_view>) && __cplusplus >= 201402L -# include <experimental/string_view> -# define FMT_STRING_VIEW std::experimental::basic_string_view -#endif - -// std::result_of is defined in <functional> in gcc 4.4. -#if FMT_GCC_VERSION && FMT_GCC_VERSION <= 404 -# include <functional> -#endif - -FMT_BEGIN_NAMESPACE -namespace internal { - -// An implementation of declval for pre-C++11 compilers such as gcc 4. -template <typename T> -typename std::add_rvalue_reference<T>::type declval() FMT_NOEXCEPT; - -template <typename> -struct result_of; - -template <typename F, typename... Args> -struct result_of<F(Args...)> { - // A workaround for gcc 4.4 that doesn't allow F to be a reference. - typedef typename std::result_of< - typename std::remove_reference<F>::type(Args...)>::type type; -}; - -// Casts nonnegative integer to unsigned. -template <typename Int> -FMT_CONSTEXPR typename std::make_unsigned<Int>::type to_unsigned(Int value) { - FMT_ASSERT(value >= 0, "negative value"); - return static_cast<typename std::make_unsigned<Int>::type>(value); -} - -/** A contiguous memory buffer with an optional growing ability. */ -template <typename T> -class basic_buffer { - private: - basic_buffer(const basic_buffer &) = delete; - void operator=(const basic_buffer &) = delete; - - T *ptr_; - std::size_t size_; - std::size_t capacity_; - - protected: - // Don't initialize ptr_ since it is not accessed to save a few cycles. - basic_buffer(std::size_t sz) FMT_NOEXCEPT: size_(sz), capacity_(sz) {} - - basic_buffer(T *p = FMT_NULL, std::size_t sz = 0, std::size_t cap = 0) - FMT_NOEXCEPT: ptr_(p), size_(sz), capacity_(cap) {} - - /** Sets the buffer data and capacity. */ - void set(T *buf_data, std::size_t buf_capacity) FMT_NOEXCEPT { - ptr_ = buf_data; - capacity_ = buf_capacity; - } - - /** Increases the buffer capacity to hold at least *capacity* elements. */ - virtual void grow(std::size_t capacity) = 0; - - public: - typedef T value_type; - typedef const T &const_reference; - - virtual ~basic_buffer() {} - - T *begin() FMT_NOEXCEPT { return ptr_; } - T *end() FMT_NOEXCEPT { return ptr_ + size_; } - - /** Returns the size of this buffer. */ - std::size_t size() const FMT_NOEXCEPT { return size_; } - - /** Returns the capacity of this buffer. */ - std::size_t capacity() const FMT_NOEXCEPT { return capacity_; } - - /** Returns a pointer to the buffer data. */ - T *data() FMT_NOEXCEPT { return ptr_; } - - /** Returns a pointer to the buffer data. */ - const T *data() const FMT_NOEXCEPT { return ptr_; } - - /** - Resizes the buffer. If T is a POD type new elements may not be initialized. - */ - void resize(std::size_t new_size) { - reserve(new_size); - size_ = new_size; - } - - /** Clears this buffer. */ - void clear() { size_ = 0; } - - /** Reserves space to store at least *capacity* elements. */ - void reserve(std::size_t new_capacity) { - if (new_capacity > capacity_) - grow(new_capacity); - } - - void push_back(const T &value) { - reserve(size_ + 1); - ptr_[size_++] = value; - } - - /** Appends data to the end of the buffer. */ - template <typename U> - void append(const U *begin, const U *end); - - T &operator[](std::size_t index) { return ptr_[index]; } - const T &operator[](std::size_t index) const { return ptr_[index]; } -}; - -typedef basic_buffer<char> buffer; -typedef basic_buffer<wchar_t> wbuffer; - -// A container-backed buffer. -template <typename Container> -class container_buffer : public basic_buffer<typename Container::value_type> { - private: - Container &container_; - - protected: - void grow(std::size_t capacity) FMT_OVERRIDE { - container_.resize(capacity); - this->set(&container_[0], capacity); - } - - public: - explicit container_buffer(Container &c) - : basic_buffer<typename Container::value_type>(c.size()), container_(c) {} -}; - -// Extracts a reference to the container from back_insert_iterator. -template <typename Container> -inline Container &get_container(std::back_insert_iterator<Container> it) { - typedef std::back_insert_iterator<Container> bi_iterator; - struct accessor: bi_iterator { - accessor(bi_iterator iter) : bi_iterator(iter) {} - using bi_iterator::container; - }; - return *accessor(it).container; -} - -struct error_handler { - FMT_CONSTEXPR error_handler() {} - FMT_CONSTEXPR error_handler(const error_handler &) {} - - // This function is intentionally not constexpr to give a compile-time error. - FMT_API void on_error(const char *message); -}; - -template <typename T> -struct no_formatter_error : std::false_type {}; -} // namespace internal - -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 405 -template <typename... T> -struct is_constructible: std::false_type {}; -#else -template <typename... T> -struct is_constructible : std::is_constructible<T...> {}; -#endif - -/** - An implementation of ``std::basic_string_view`` for pre-C++17. It provides a - subset of the API. ``fmt::basic_string_view`` is used for format strings even - if ``std::string_view`` is available to prevent issues when a library is - compiled with a different ``-std`` option than the client code (which is not - recommended). - */ -template <typename Char> -class basic_string_view { - private: - const Char *data_; - size_t size_; - - public: - typedef Char char_type; - typedef const Char *iterator; - - FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(FMT_NULL), size_(0) {} - - /** Constructs a string reference object from a C string and a size. */ - FMT_CONSTEXPR basic_string_view(const Char *s, size_t count) FMT_NOEXCEPT - : data_(s), size_(count) {} - - /** - \rst - Constructs a string reference object from a C string computing - the size with ``std::char_traits<Char>::length``. - \endrst - */ - basic_string_view(const Char *s) - : data_(s), size_(std::char_traits<Char>::length(s)) {} - - /** Constructs a string reference from a ``std::basic_string`` object. */ - template <typename Alloc> - FMT_CONSTEXPR basic_string_view( - const std::basic_string<Char, Alloc> &s) FMT_NOEXCEPT - : data_(s.data()), size_(s.size()) {} - -#ifdef FMT_STRING_VIEW - FMT_CONSTEXPR basic_string_view(FMT_STRING_VIEW<Char> s) FMT_NOEXCEPT - : data_(s.data()), size_(s.size()) {} -#endif - - /** Returns a pointer to the string data. */ - FMT_CONSTEXPR const Char *data() const { return data_; } - - /** Returns the string size. */ - FMT_CONSTEXPR size_t size() const { return size_; } - - FMT_CONSTEXPR iterator begin() const { return data_; } - FMT_CONSTEXPR iterator end() const { return data_ + size_; } - - FMT_CONSTEXPR void remove_prefix(size_t n) { - data_ += n; - size_ -= n; - } - - // Lexicographically compare this string reference to other. - int compare(basic_string_view other) const { - size_t str_size = size_ < other.size_ ? size_ : other.size_; - int result = std::char_traits<Char>::compare(data_, other.data_, str_size); - if (result == 0) - result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); - return result; - } - - friend bool operator==(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) == 0; - } - friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) != 0; - } - friend bool operator<(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) < 0; - } - friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) <= 0; - } - friend bool operator>(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) > 0; - } - friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) >= 0; - } -}; - -typedef basic_string_view<char> string_view; -typedef basic_string_view<wchar_t> wstring_view; - -/** - \rst - The function ``to_string_view`` adapts non-intrusively any kind of string or - string-like type if the user provides a (possibly templated) overload of - ``to_string_view`` which takes an instance of the string class - ``StringType<Char>`` and returns a ``fmt::basic_string_view<Char>``. - The conversion function must live in the very same namespace as - ``StringType<Char>`` to be picked up by ADL. Non-templated string types - like f.e. QString must return a ``basic_string_view`` with a fixed matching - char type. - - **Example**:: - - namespace my_ns { - inline string_view to_string_view(const my_string &s) { - return {s.data(), s.length()}; - } - } - - std::string message = fmt::format(my_string("The answer is {}"), 42); - \endrst - */ -template <typename Char> -inline basic_string_view<Char> - to_string_view(basic_string_view<Char> s) { return s; } - -template <typename Char> -inline basic_string_view<Char> - to_string_view(const std::basic_string<Char> &s) { return s; } - -template <typename Char> -inline basic_string_view<Char> to_string_view(const Char *s) { return s; } - -#ifdef FMT_STRING_VIEW -template <typename Char> -inline basic_string_view<Char> - to_string_view(FMT_STRING_VIEW<Char> s) { return s; } -#endif - -// A base class for compile-time strings. It is defined in the fmt namespace to -// make formatting functions visible via ADL, e.g. format(fmt("{}"), 42). -struct compile_string {}; - -template <typename S> -struct is_compile_string : std::is_base_of<compile_string, S> {}; - -template < - typename S, - typename Enable = typename std::enable_if<is_compile_string<S>::value>::type> -FMT_CONSTEXPR basic_string_view<typename S::char_type> - to_string_view(const S &s) { return s; } - -template <typename Context> -class basic_format_arg; - -template <typename Context> -class basic_format_args; - -// A formatter for objects of type T. -template <typename T, typename Char = char, typename Enable = void> -struct formatter { - static_assert(internal::no_formatter_error<T>::value, - "don't know how to format the type, include fmt/ostream.h if it provides " - "an operator<< that should be used"); - - // The following functions are not defined intentionally. - template <typename ParseContext> - typename ParseContext::iterator parse(ParseContext &); - template <typename FormatContext> - auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out()); -}; - -template <typename T, typename Char, typename Enable = void> -struct convert_to_int: std::integral_constant< - bool, !std::is_arithmetic<T>::value && std::is_convertible<T, int>::value> {}; - -namespace internal { - -struct dummy_string_view { typedef void char_type; }; -dummy_string_view to_string_view(...); -using fmt::v5::to_string_view; - -// Specifies whether S is a string type convertible to fmt::basic_string_view. -template <typename S> -struct is_string : std::integral_constant<bool, !std::is_same< - dummy_string_view, decltype(to_string_view(declval<S>()))>::value> {}; - -template <typename S> -struct char_t { - typedef decltype(to_string_view(declval<S>())) result; - typedef typename result::char_type type; -}; - -template <typename Char> -struct named_arg_base; - -template <typename T, typename Char> -struct named_arg; - -enum type { - none_type, named_arg_type, - // Integer types should go first, - int_type, uint_type, long_long_type, ulong_long_type, bool_type, char_type, - last_integer_type = char_type, - // followed by floating-point types. - double_type, long_double_type, last_numeric_type = long_double_type, - cstring_type, string_type, pointer_type, custom_type -}; - -FMT_CONSTEXPR bool is_integral(type t) { - FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); - return t > internal::none_type && t <= internal::last_integer_type; -} - -FMT_CONSTEXPR bool is_arithmetic(type t) { - FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); - return t > internal::none_type && t <= internal::last_numeric_type; -} - -template <typename Char> -struct string_value { - const Char *value; - std::size_t size; -}; - -template <typename Context> -struct custom_value { - const void *value; - void (*format)(const void *arg, Context &ctx); -}; - -// A formatting argument value. -template <typename Context> -class value { - public: - typedef typename Context::char_type char_type; - - union { - int int_value; - unsigned uint_value; - long long long_long_value; - unsigned long long ulong_long_value; - double double_value; - long double long_double_value; - const void *pointer; - string_value<char_type> string; - string_value<signed char> sstring; - string_value<unsigned char> ustring; - custom_value<Context> custom; - }; - - FMT_CONSTEXPR value(int val = 0) : int_value(val) {} - value(unsigned val) { uint_value = val; } - value(long long val) { long_long_value = val; } - value(unsigned long long val) { ulong_long_value = val; } - value(double val) { double_value = val; } - value(long double val) { long_double_value = val; } - value(const char_type *val) { string.value = val; } - value(const signed char *val) { - static_assert(std::is_same<char, char_type>::value, - "incompatible string types"); - sstring.value = val; - } - value(const unsigned char *val) { - static_assert(std::is_same<char, char_type>::value, - "incompatible string types"); - ustring.value = val; - } - value(basic_string_view<char_type> val) { - string.value = val.data(); - string.size = val.size(); - } - value(const void *val) { pointer = val; } - - template <typename T> - explicit value(const T &val) { - custom.value = &val; - custom.format = &format_custom_arg<T>; - } - - const named_arg_base<char_type> &as_named_arg() { - return *static_cast<const named_arg_base<char_type>*>(pointer); - } - - private: - // Formats an argument of a custom type, such as a user-defined class. - template <typename T> - static void format_custom_arg(const void *arg, Context &ctx) { - // Get the formatter type through the context to allow different contexts - // have different extension points, e.g. `formatter<T>` for `format` and - // `printf_formatter<T>` for `printf`. - typename Context::template formatter_type<T>::type f; - auto &&parse_ctx = ctx.parse_context(); - parse_ctx.advance_to(f.parse(parse_ctx)); - ctx.advance_to(f.format(*static_cast<const T*>(arg), ctx)); - } -}; - -// Value initializer used to delay conversion to value and reduce memory churn. -template <typename Context, typename T, type TYPE> -struct init { - T val; - static const type type_tag = TYPE; - - FMT_CONSTEXPR init(const T &v) : val(v) {} - FMT_CONSTEXPR operator value<Context>() const { return value<Context>(val); } -}; - -template <typename Context, typename T> -FMT_CONSTEXPR basic_format_arg<Context> make_arg(const T &value); - -#define FMT_MAKE_VALUE(TAG, ArgType, ValueType) \ - template <typename C> \ - FMT_CONSTEXPR init<C, ValueType, TAG> make_value(ArgType val) { \ - return static_cast<ValueType>(val); \ - } - -#define FMT_MAKE_VALUE_SAME(TAG, Type) \ - template <typename C> \ - FMT_CONSTEXPR init<C, Type, TAG> make_value(Type val) { return val; } - -FMT_MAKE_VALUE(bool_type, bool, int) -FMT_MAKE_VALUE(int_type, short, int) -FMT_MAKE_VALUE(uint_type, unsigned short, unsigned) -FMT_MAKE_VALUE_SAME(int_type, int) -FMT_MAKE_VALUE_SAME(uint_type, unsigned) - -// To minimize the number of types we need to deal with, long is translated -// either to int or to long long depending on its size. -typedef std::conditional<sizeof(long) == sizeof(int), int, long long>::type - long_type; -FMT_MAKE_VALUE( - (sizeof(long) == sizeof(int) ? int_type : long_long_type), long, long_type) -typedef std::conditional<sizeof(unsigned long) == sizeof(unsigned), - unsigned, unsigned long long>::type ulong_type; -FMT_MAKE_VALUE( - (sizeof(unsigned long) == sizeof(unsigned) ? uint_type : ulong_long_type), - unsigned long, ulong_type) - -FMT_MAKE_VALUE_SAME(long_long_type, long long) -FMT_MAKE_VALUE_SAME(ulong_long_type, unsigned long long) -FMT_MAKE_VALUE(int_type, signed char, int) -FMT_MAKE_VALUE(uint_type, unsigned char, unsigned) - -// This doesn't use FMT_MAKE_VALUE because of ambiguity in gcc 4.4. -template <typename C, typename Char> -FMT_CONSTEXPR typename std::enable_if< - std::is_same<typename C::char_type, Char>::value, - init<C, int, char_type>>::type make_value(Char val) { return val; } - -template <typename C> -FMT_CONSTEXPR typename std::enable_if< - !std::is_same<typename C::char_type, char>::value, - init<C, int, char_type>>::type make_value(char val) { return val; } - -FMT_MAKE_VALUE(double_type, float, double) -FMT_MAKE_VALUE_SAME(double_type, double) -FMT_MAKE_VALUE_SAME(long_double_type, long double) - -// Formatting of wide strings into a narrow buffer and multibyte strings -// into a wide buffer is disallowed (https://github.com/fmtlib/fmt/pull/606). -FMT_MAKE_VALUE(cstring_type, typename C::char_type*, - const typename C::char_type*) -FMT_MAKE_VALUE(cstring_type, const typename C::char_type*, - const typename C::char_type*) - -FMT_MAKE_VALUE(cstring_type, signed char*, const signed char*) -FMT_MAKE_VALUE_SAME(cstring_type, const signed char*) -FMT_MAKE_VALUE(cstring_type, unsigned char*, const unsigned char*) -FMT_MAKE_VALUE_SAME(cstring_type, const unsigned char*) -FMT_MAKE_VALUE_SAME(string_type, basic_string_view<typename C::char_type>) -FMT_MAKE_VALUE(string_type, - typename basic_string_view<typename C::char_type>::type, - basic_string_view<typename C::char_type>) -FMT_MAKE_VALUE(string_type, const std::basic_string<typename C::char_type>&, - basic_string_view<typename C::char_type>) -FMT_MAKE_VALUE(pointer_type, void*, const void*) -FMT_MAKE_VALUE_SAME(pointer_type, const void*) - -#if FMT_USE_NULLPTR -FMT_MAKE_VALUE(pointer_type, std::nullptr_t, const void*) -#endif - -// Formatting of arbitrary pointers is disallowed. If you want to output a -// pointer cast it to "void *" or "const void *". In particular, this forbids -// formatting of "[const] volatile char *" which is printed as bool by -// iostreams. -template <typename C, typename T> -typename std::enable_if<!std::is_same<T, typename C::char_type>::value>::type - make_value(const T *) { - static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); -} - -template <typename C, typename T> -inline typename std::enable_if< - std::is_enum<T>::value && convert_to_int<T, typename C::char_type>::value, - init<C, int, int_type>>::type - make_value(const T &val) { return static_cast<int>(val); } - -template <typename C, typename T, typename Char = typename C::char_type> -inline typename std::enable_if< - is_constructible<basic_string_view<Char>, T>::value && - !internal::is_string<T>::value, - init<C, basic_string_view<Char>, string_type>>::type - make_value(const T &val) { return basic_string_view<Char>(val); } - -template <typename C, typename T, typename Char = typename C::char_type> -inline typename std::enable_if< - !convert_to_int<T, Char>::value && !std::is_same<T, Char>::value && - !std::is_convertible<T, basic_string_view<Char>>::value && - !is_constructible<basic_string_view<Char>, T>::value && - !internal::is_string<T>::value, - // Implicit conversion to std::string is not handled here because it's - // unsafe: https://github.com/fmtlib/fmt/issues/729 - init<C, const T &, custom_type>>::type - make_value(const T &val) { return val; } - -template <typename C, typename T> -init<C, const void*, named_arg_type> - make_value(const named_arg<T, typename C::char_type> &val) { - basic_format_arg<C> arg = make_arg<C>(val.value); - std::memcpy(val.data, &arg, sizeof(arg)); - return static_cast<const void*>(&val); -} - -template <typename C, typename S> -FMT_CONSTEXPR11 typename std::enable_if< - internal::is_string<S>::value, - init<C, basic_string_view<typename C::char_type>, string_type>>::type - make_value(const S &val) { - // Handle adapted strings. - static_assert(std::is_same< - typename C::char_type, typename internal::char_t<S>::type>::value, - "mismatch between char-types of context and argument"); - return to_string_view(val); -} - -// Maximum number of arguments with packed types. -enum { max_packed_args = 15 }; -enum : unsigned long long { is_unpacked_bit = 1ull << 63 }; - -template <typename Context> -class arg_map; -} // namespace internal - -// A formatting argument. It is a trivially copyable/constructible type to -// allow storage in basic_memory_buffer. -template <typename Context> -class basic_format_arg { - private: - internal::value<Context> value_; - internal::type type_; - - template <typename ContextType, typename T> - friend FMT_CONSTEXPR basic_format_arg<ContextType> - internal::make_arg(const T &value); - - template <typename Visitor, typename Ctx> - friend FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type - visit_format_arg(Visitor &&vis, const basic_format_arg<Ctx> &arg); - - friend class basic_format_args<Context>; - friend class internal::arg_map<Context>; - - typedef typename Context::char_type char_type; - - public: - class handle { - public: - explicit handle(internal::custom_value<Context> custom): custom_(custom) {} - - void format(Context &ctx) const { custom_.format(custom_.value, ctx); } - - private: - internal::custom_value<Context> custom_; - }; - - FMT_CONSTEXPR basic_format_arg() : type_(internal::none_type) {} - - FMT_EXPLICIT operator bool() const FMT_NOEXCEPT { - return type_ != internal::none_type; - } - - internal::type type() const { return type_; } - - bool is_integral() const { return internal::is_integral(type_); } - bool is_arithmetic() const { return internal::is_arithmetic(type_); } -}; - -struct monostate {}; - -/** - \rst - Visits an argument dispatching to the appropriate visit method based on - the argument type. For example, if the argument type is ``double`` then - ``vis(value)`` will be called with the value of type ``double``. - \endrst - */ -template <typename Visitor, typename Context> -FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type - visit_format_arg(Visitor &&vis, const basic_format_arg<Context> &arg) { - typedef typename Context::char_type char_type; - switch (arg.type_) { - case internal::none_type: - break; - case internal::named_arg_type: - FMT_ASSERT(false, "invalid argument type"); - break; - case internal::int_type: - return vis(arg.value_.int_value); - case internal::uint_type: - return vis(arg.value_.uint_value); - case internal::long_long_type: - return vis(arg.value_.long_long_value); - case internal::ulong_long_type: - return vis(arg.value_.ulong_long_value); - case internal::bool_type: - return vis(arg.value_.int_value != 0); - case internal::char_type: - return vis(static_cast<char_type>(arg.value_.int_value)); - case internal::double_type: - return vis(arg.value_.double_value); - case internal::long_double_type: - return vis(arg.value_.long_double_value); - case internal::cstring_type: - return vis(arg.value_.string.value); - case internal::string_type: - return vis(basic_string_view<char_type>( - arg.value_.string.value, arg.value_.string.size)); - case internal::pointer_type: - return vis(arg.value_.pointer); - case internal::custom_type: - return vis(typename basic_format_arg<Context>::handle(arg.value_.custom)); - } - return vis(monostate()); -} - -// DEPRECATED! -template <typename Visitor, typename Context> -FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type - visit(Visitor &&vis, const basic_format_arg<Context> &arg) { - return visit_format_arg(std::forward<Visitor>(vis), arg); -} - -// Parsing context consisting of a format string range being parsed and an -// argument counter for automatic indexing. -template <typename Char, typename ErrorHandler = internal::error_handler> -class basic_parse_context : private ErrorHandler { - private: - basic_string_view<Char> format_str_; - int next_arg_id_; - - public: - typedef Char char_type; - typedef typename basic_string_view<Char>::iterator iterator; - - explicit FMT_CONSTEXPR basic_parse_context( - basic_string_view<Char> format_str, ErrorHandler eh = ErrorHandler()) - : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {} - - // Returns an iterator to the beginning of the format string range being - // parsed. - FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { - return format_str_.begin(); - } - - // Returns an iterator past the end of the format string range being parsed. - FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); } - - // Advances the begin iterator to ``it``. - FMT_CONSTEXPR void advance_to(iterator it) { - format_str_.remove_prefix(internal::to_unsigned(it - begin())); - } - - // Returns the next argument index. - FMT_CONSTEXPR unsigned next_arg_id(); - - FMT_CONSTEXPR bool check_arg_id(unsigned) { - if (next_arg_id_ > 0) { - on_error("cannot switch from automatic to manual argument indexing"); - return false; - } - next_arg_id_ = -1; - return true; - } - void check_arg_id(basic_string_view<Char>) {} - - FMT_CONSTEXPR void on_error(const char *message) { - ErrorHandler::on_error(message); - } - - FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } -}; - -typedef basic_parse_context<char> format_parse_context; -typedef basic_parse_context<wchar_t> wformat_parse_context; - -// DEPRECATED! -typedef basic_parse_context<char> parse_context; -typedef basic_parse_context<wchar_t> wparse_context; - -namespace internal { -// A map from argument names to their values for named arguments. -template <typename Context> -class arg_map { - private: - arg_map(const arg_map &) = delete; - void operator=(const arg_map &) = delete; - - typedef typename Context::char_type char_type; - - struct entry { - basic_string_view<char_type> name; - basic_format_arg<Context> arg; - }; - - entry *map_; - unsigned size_; - - void push_back(value<Context> val) { - const internal::named_arg_base<char_type> &named = val.as_named_arg(); - map_[size_] = entry{named.name, named.template deserialize<Context>()}; - ++size_; - } - - public: - arg_map() : map_(FMT_NULL), size_(0) {} - void init(const basic_format_args<Context> &args); - ~arg_map() { delete [] map_; } - - basic_format_arg<Context> find(basic_string_view<char_type> name) const { - // The list is unsorted, so just return the first matching name. - for (entry *it = map_, *end = map_ + size_; it != end; ++it) { - if (it->name == name) - return it->arg; - } - return {}; - } -}; - -// A type-erased reference to an std::locale to avoid heavy <locale> include. -class locale_ref { - private: - const void *locale_; // A type-erased pointer to std::locale. - friend class locale; - - public: - locale_ref() : locale_(FMT_NULL) {} - - template <typename Locale> - explicit locale_ref(const Locale &loc); - - template <typename Locale> - Locale get() const; -}; - -template <typename OutputIt, typename Context, typename Char> -class context_base { - public: - typedef OutputIt iterator; - - private: - basic_parse_context<Char> parse_context_; - iterator out_; - basic_format_args<Context> args_; - locale_ref loc_; - - protected: - typedef Char char_type; - typedef basic_format_arg<Context> format_arg; - - context_base(OutputIt out, basic_string_view<char_type> format_str, - basic_format_args<Context> ctx_args, - locale_ref loc = locale_ref()) - : parse_context_(format_str), out_(out), args_(ctx_args), loc_(loc) {} - - // Returns the argument with specified index. - format_arg do_get_arg(unsigned arg_id) { - format_arg arg = args_.get(arg_id); - if (!arg) - parse_context_.on_error("argument index out of range"); - return arg; - } - - // Checks if manual indexing is used and returns the argument with - // specified index. - format_arg get_arg(unsigned arg_id) { - return this->parse_context().check_arg_id(arg_id) ? - this->do_get_arg(arg_id) : format_arg(); - } - - public: - basic_parse_context<char_type> &parse_context() { return parse_context_; } - basic_format_args<Context> args() const { return args_; } // DEPRECATED! - basic_format_arg<Context> arg(unsigned id) const { return args_.get(id); } - - internal::error_handler error_handler() { - return parse_context_.error_handler(); - } - - void on_error(const char *message) { parse_context_.on_error(message); } - - // Returns an iterator to the beginning of the output range. - iterator out() { return out_; } - iterator begin() { return out_; } // deprecated - - // Advances the begin iterator to ``it``. - void advance_to(iterator it) { out_ = it; } - - locale_ref locale() { return loc_; } -}; - -template <typename Context, typename T> -struct get_type { - typedef decltype(make_value<Context>( - declval<typename std::decay<T>::type&>())) value_type; - static const type value = value_type::type_tag; -}; - -template <typename Context> -FMT_CONSTEXPR11 unsigned long long get_types() { return 0; } - -template <typename Context, typename Arg, typename... Args> -FMT_CONSTEXPR11 unsigned long long get_types() { - return get_type<Context, Arg>::value | (get_types<Context, Args...>() << 4); -} - -template <typename Context, typename T> -FMT_CONSTEXPR basic_format_arg<Context> make_arg(const T &value) { - basic_format_arg<Context> arg; - arg.type_ = get_type<Context, T>::value; - arg.value_ = make_value<Context>(value); - return arg; -} - -template <bool IS_PACKED, typename Context, typename T> -inline typename std::enable_if<IS_PACKED, value<Context>>::type - make_arg(const T &value) { - return make_value<Context>(value); -} - -template <bool IS_PACKED, typename Context, typename T> -inline typename std::enable_if<!IS_PACKED, basic_format_arg<Context>>::type - make_arg(const T &value) { - return make_arg<Context>(value); -} -} // namespace internal - -// Formatting context. -template <typename OutputIt, typename Char> -class basic_format_context : - public internal::context_base< - OutputIt, basic_format_context<OutputIt, Char>, Char> { - public: - /** The character type for the output. */ - typedef Char char_type; - - // using formatter_type = formatter<T, char_type>; - template <typename T> - struct formatter_type { typedef formatter<T, char_type> type; }; - - private: - internal::arg_map<basic_format_context> map_; - - basic_format_context(const basic_format_context &) = delete; - void operator=(const basic_format_context &) = delete; - - typedef internal::context_base<OutputIt, basic_format_context, Char> base; - typedef typename base::format_arg format_arg; - using base::get_arg; - - public: - using typename base::iterator; - - /** - Constructs a ``basic_format_context`` object. References to the arguments are - stored in the object so make sure they have appropriate lifetimes. - */ - basic_format_context(OutputIt out, basic_string_view<char_type> format_str, - basic_format_args<basic_format_context> ctx_args, - internal::locale_ref loc = internal::locale_ref()) - : base(out, format_str, ctx_args, loc) {} - - format_arg next_arg() { - return this->do_get_arg(this->parse_context().next_arg_id()); - } - format_arg get_arg(unsigned arg_id) { return this->do_get_arg(arg_id); } - - // Checks if manual indexing is used and returns the argument with the - // specified name. - format_arg get_arg(basic_string_view<char_type> name); -}; - -template <typename Char> -struct buffer_context { - typedef basic_format_context< - std::back_insert_iterator<internal::basic_buffer<Char>>, Char> type; -}; -typedef buffer_context<char>::type format_context; -typedef buffer_context<wchar_t>::type wformat_context; - -/** - \rst - An array of references to arguments. It can be implicitly converted into - `~fmt::basic_format_args` for passing into type-erased formatting functions - such as `~fmt::vformat`. - \endrst - */ -template <typename Context, typename ...Args> -class format_arg_store { - private: - static const size_t NUM_ARGS = sizeof...(Args); - - // Packed is a macro on MinGW so use IS_PACKED instead. - static const bool IS_PACKED = NUM_ARGS < internal::max_packed_args; - - typedef typename std::conditional<IS_PACKED, - internal::value<Context>, basic_format_arg<Context>>::type value_type; - - // If the arguments are not packed, add one more element to mark the end. - static const size_t DATA_SIZE = - NUM_ARGS + (IS_PACKED && NUM_ARGS != 0 ? 0 : 1); - value_type data_[DATA_SIZE]; - - friend class basic_format_args<Context>; - - static FMT_CONSTEXPR11 unsigned long long get_types() { - return IS_PACKED ? - internal::get_types<Context, Args...>() : - internal::is_unpacked_bit | NUM_ARGS; - } - - public: -#if FMT_USE_CONSTEXPR11 - static FMT_CONSTEXPR11 unsigned long long TYPES = get_types(); -#else - static const unsigned long long TYPES; -#endif - -#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 405) || \ - (FMT_MSC_VER && FMT_MSC_VER <= 1800) - // Workaround array initialization issues in gcc <= 4.5 and MSVC <= 2013. - format_arg_store(const Args &... args) { - value_type init[DATA_SIZE] = - {internal::make_arg<IS_PACKED, Context>(args)...}; - std::memcpy(data_, init, sizeof(init)); - } -#else - format_arg_store(const Args &... args) - : data_{internal::make_arg<IS_PACKED, Context>(args)...} {} -#endif -}; - -#if !FMT_USE_CONSTEXPR11 -template <typename Context, typename ...Args> -const unsigned long long format_arg_store<Context, Args...>::TYPES = - get_types(); -#endif - -/** - \rst - Constructs an `~fmt::format_arg_store` object that contains references to - arguments and can be implicitly converted to `~fmt::format_args`. `Context` - can be omitted in which case it defaults to `~fmt::context`. - \endrst - */ -template <typename Context = format_context, typename ...Args> -inline format_arg_store<Context, Args...> - make_format_args(const Args &... args) { return {args...}; } - -/** Formatting arguments. */ -template <typename Context> -class basic_format_args { - public: - typedef unsigned size_type; - typedef basic_format_arg<Context> format_arg; - - private: - // To reduce compiled code size per formatting function call, types of first - // max_packed_args arguments are passed in the types_ field. - unsigned long long types_; - union { - // If the number of arguments is less than max_packed_args, the argument - // values are stored in values_, otherwise they are stored in args_. - // This is done to reduce compiled code size as storing larger objects - // may require more code (at least on x86-64) even if the same amount of - // data is actually copied to stack. It saves ~10% on the bloat test. - const internal::value<Context> *values_; - const format_arg *args_; - }; - - bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; } - - typename internal::type type(unsigned index) const { - unsigned shift = index * 4; - return static_cast<typename internal::type>( - (types_ & (0xfull << shift)) >> shift); - } - - friend class internal::arg_map<Context>; - - void set_data(const internal::value<Context> *values) { values_ = values; } - void set_data(const format_arg *args) { args_ = args; } - - format_arg do_get(size_type index) const { - format_arg arg; - if (!is_packed()) { - auto num_args = max_size(); - if (index < num_args) - arg = args_[index]; - return arg; - } - if (index > internal::max_packed_args) - return arg; - arg.type_ = type(index); - if (arg.type_ == internal::none_type) - return arg; - internal::value<Context> &val = arg.value_; - val = values_[index]; - return arg; - } - - public: - basic_format_args() : types_(0) {} - - /** - \rst - Constructs a `basic_format_args` object from `~fmt::format_arg_store`. - \endrst - */ - template <typename... Args> - basic_format_args(const format_arg_store<Context, Args...> &store) - : types_(static_cast<unsigned long long>(store.TYPES)) { - set_data(store.data_); - } - - /** - \rst - Constructs a `basic_format_args` object from a dynamic set of arguments. - \endrst - */ - basic_format_args(const format_arg *args, size_type count) - : types_(internal::is_unpacked_bit | count) { - set_data(args); - } - - /** Returns the argument at specified index. */ - format_arg get(size_type index) const { - format_arg arg = do_get(index); - if (arg.type_ == internal::named_arg_type) - arg = arg.value_.as_named_arg().template deserialize<Context>(); - return arg; - } - - size_type max_size() const { - unsigned long long max_packed = internal::max_packed_args; - return static_cast<size_type>( - is_packed() ? max_packed : types_ & ~internal::is_unpacked_bit); - } -}; - -/** An alias to ``basic_format_args<context>``. */ -// It is a separate type rather than a typedef to make symbols readable. -struct format_args : basic_format_args<format_context> { - template <typename ...Args> - format_args(Args &&... arg) - : basic_format_args<format_context>(std::forward<Args>(arg)...) {} -}; -struct wformat_args : basic_format_args<wformat_context> { - template <typename ...Args> - wformat_args(Args &&... arg) - : basic_format_args<wformat_context>(std::forward<Args>(arg)...) {} -}; - -#define FMT_ENABLE_IF_T(B, T) typename std::enable_if<B, T>::type - -#ifndef FMT_USE_ALIAS_TEMPLATES -# define FMT_USE_ALIAS_TEMPLATES FMT_HAS_FEATURE(cxx_alias_templates) -#endif -#if FMT_USE_ALIAS_TEMPLATES -/** String's character type. */ -template <typename S> -using char_t = FMT_ENABLE_IF_T( - internal::is_string<S>::value, typename internal::char_t<S>::type); -#define FMT_CHAR(S) fmt::char_t<S> -#else -template <typename S> -struct char_t : std::enable_if< - internal::is_string<S>::value, typename internal::char_t<S>::type> {}; -#define FMT_CHAR(S) typename char_t<S>::type -#endif - -namespace internal { -template <typename Char> -struct named_arg_base { - basic_string_view<Char> name; - - // Serialized value<context>. - mutable char data[ - sizeof(basic_format_arg<typename buffer_context<Char>::type>)]; - - named_arg_base(basic_string_view<Char> nm) : name(nm) {} - - template <typename Context> - basic_format_arg<Context> deserialize() const { - basic_format_arg<Context> arg; - std::memcpy(&arg, data, sizeof(basic_format_arg<Context>)); - return arg; - } -}; - -template <typename T, typename Char> -struct named_arg : named_arg_base<Char> { - const T &value; - - named_arg(basic_string_view<Char> name, const T &val) - : named_arg_base<Char>(name), value(val) {} -}; - -template <typename... Args, typename S> -inline typename std::enable_if<!is_compile_string<S>::value>::type - check_format_string(const S &) {} -template <typename... Args, typename S> -typename std::enable_if<is_compile_string<S>::value>::type - check_format_string(S); - -template <typename S, typename... Args> -struct checked_args : format_arg_store< - typename buffer_context<FMT_CHAR(S)>::type, Args...> { - typedef typename buffer_context<FMT_CHAR(S)>::type context; - - checked_args(const S &format_str, const Args &... args): - format_arg_store<context, Args...>(args...) { - internal::check_format_string<Args...>(format_str); - } - - basic_format_args<context> operator*() const { return *this; } -}; - -template <typename Char> -std::basic_string<Char> vformat( - basic_string_view<Char> format_str, - basic_format_args<typename buffer_context<Char>::type> args); - -template <typename Char> -typename buffer_context<Char>::type::iterator vformat_to( - internal::basic_buffer<Char> &buf, basic_string_view<Char> format_str, - basic_format_args<typename buffer_context<Char>::type> args); -} - -/** - \rst - Returns a named argument to be used in a formatting function. - - **Example**:: - - fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); - \endrst - */ -template <typename T> -inline internal::named_arg<T, char> arg(string_view name, const T &arg) { - return {name, arg}; -} - -template <typename T> -inline internal::named_arg<T, wchar_t> arg(wstring_view name, const T &arg) { - return {name, arg}; -} - -// Disable nested named arguments, e.g. ``arg("a", arg("b", 42))``. -template <typename S, typename T, typename Char> -void arg(S, internal::named_arg<T, Char>) = delete; - -template <typename Container> -struct is_contiguous: std::false_type {}; - -template <typename Char> -struct is_contiguous<std::basic_string<Char> >: std::true_type {}; - -template <typename Char> -struct is_contiguous<internal::basic_buffer<Char> >: std::true_type {}; - -/** Formats a string and writes the output to ``out``. */ -template <typename Container, typename S> -typename std::enable_if< - is_contiguous<Container>::value, std::back_insert_iterator<Container>>::type - vformat_to( - std::back_insert_iterator<Container> out, - const S &format_str, - basic_format_args<typename buffer_context<FMT_CHAR(S)>::type> args) { - internal::container_buffer<Container> buf(internal::get_container(out)); - internal::vformat_to(buf, to_string_view(format_str), args); - return out; -} - -template <typename Container, typename S, typename... Args> -inline typename std::enable_if< - is_contiguous<Container>::value && internal::is_string<S>::value, - std::back_insert_iterator<Container>>::type - format_to(std::back_insert_iterator<Container> out, const S &format_str, - const Args &... args) { - internal::checked_args<S, Args...> ca(format_str, args...); - return vformat_to(out, to_string_view(format_str), *ca); -} - -template <typename S, typename Char = FMT_CHAR(S)> -inline std::basic_string<Char> vformat( - const S &format_str, - basic_format_args<typename buffer_context<Char>::type> args) { - return internal::vformat(to_string_view(format_str), args); -} - -/** - \rst - Formats arguments and returns the result as a string. - - **Example**:: - - #include <fmt/core.h> - std::string message = fmt::format("The answer is {}", 42); - \endrst -*/ -template <typename S, typename... Args> -inline std::basic_string<FMT_CHAR(S)> format( - const S &format_str, const Args &... args) { - return internal::vformat( - to_string_view(format_str), - *internal::checked_args<S, Args...>(format_str, args...)); -} - -FMT_API void vprint(std::FILE *f, string_view format_str, format_args args); -FMT_API void vprint(std::FILE *f, wstring_view format_str, wformat_args args); - -/** - \rst - Prints formatted data to the file *f*. For wide format strings, - *f* should be in wide-oriented mode set via ``fwide(f, 1)`` or - ``_setmode(_fileno(f), _O_U8TEXT)`` on Windows. - - **Example**:: - - fmt::print(stderr, "Don't {}!", "panic"); - \endrst - */ -template <typename S, typename... Args> -inline FMT_ENABLE_IF_T(internal::is_string<S>::value, void) - print(std::FILE *f, const S &format_str, const Args &... args) { - vprint(f, to_string_view(format_str), - internal::checked_args<S, Args...>(format_str, args...)); -} - -FMT_API void vprint(string_view format_str, format_args args); -FMT_API void vprint(wstring_view format_str, wformat_args args); - -/** - \rst - Prints formatted data to ``stdout``. - - **Example**:: - - fmt::print("Elapsed time: {0:.2f} seconds", 1.23); - \endrst - */ -template <typename S, typename... Args> -inline FMT_ENABLE_IF_T(internal::is_string<S>::value, void) - print(const S &format_str, const Args &... args) { - vprint(to_string_view(format_str), - internal::checked_args<S, Args...>(format_str, args...)); -} -FMT_END_NAMESPACE - -#endif // FMT_CORE_H_ |