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diff --git a/src/Simplex_tree/example/mini_simplex_tree.cpp b/src/Simplex_tree/example/mini_simplex_tree.cpp
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+/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ * Author(s): Marc Glisse
+ *
+ * Copyright (C) 2015 Inria
+ *
+ * Modification(s):
+ * - YYYY/MM Author: Description of the modification
+ */
+
+#include <gudhi/Simplex_tree.h>
+#include <iostream>
+#include <initializer_list>
+
+struct MyOptions : Gudhi::Simplex_tree_options_full_featured {
+ // Not doing persistence, so we don't need those
+ static const bool store_key = false;
+ static const bool store_filtration = false;
+ // I have few vertices
+ typedef short Vertex_handle;
+};
+
+using ST = Gudhi::Simplex_tree<MyOptions>;
+
+// Dictionary should be private, but for now this is the easiest way.
+static_assert(sizeof(ST::Dictionary::value_type) < sizeof(Gudhi::Simplex_tree<>::Dictionary::value_type),
+ "Not storing the filtration and key should save some space");
+
+int main() {
+ ST st;
+
+ /* Complex to build. */
+ /* 1 */
+ /* o */
+ /* /X\ */
+ /* o---o---o */
+ /* 2 0 3 */
+
+ auto triangle012 = {0, 1, 2};
+ auto edge03 = {0, 3};
+ st.insert_simplex_and_subfaces(triangle012);
+ st.insert_simplex_and_subfaces(edge03);
+
+ auto edge02 = {0, 2};
+ ST::Simplex_handle e = st.find(edge02);
+ // We are not using filtrations so everything has value 0
+ assert(st.filtration(e) == 0);
+ for (ST::Simplex_handle t : st.cofaces_simplex_range(e, 1)) {
+ // Only coface is 012
+ for (ST::Vertex_handle v : st.simplex_vertex_range(t)) // v in { 0, 1, 2 }
+ std::cout << v;
+ std::cout << '\n';
+ }
+}