Better naming

1 files changed, 3 insertions, 3 deletions

diff --git a/11/src/stuff.rs b/11/src/stuff.rs
index 82540ef..090f9f4 100644
--- a/11/src/stuff.rs
+++ b/11/src/stuff.rs
@@ -14,11 +14,11 @@ pub fn is_galaxy(c: u8) -> bool {
 
 pub type Position = [usize; 2];
 
-pub fn cumulative_sum_expansion(doubling: & [bool], factor: usize) -> Vec<usize> {
-    let mut ret: Vec<usize> = Vec::with_capacity(doubling.len());
+pub fn cumulative_sum_expansion(expansion_mask: & [bool], factor: usize) -> Vec<usize> {
+    let mut ret: Vec<usize> = Vec::with_capacity(expansion_mask.len());
 
     let mut sum: usize = 0;
-    for &x in doubling.into_iter() {
+    for &x in expansion_mask.into_iter() {
         if x {
             sum += factor;
         }