fix warning

boostorg · Apr 24, 2024 · eba0f2d · eba0f2d
1 parent 0816a5b
commit eba0f2d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/boost/histogram/detail/chunk_vector.hpp b/include/boost/histogram/detail/chunk_vector.hpp
@@ -61,7 +61,7 @@ struct chunk_vector {
   const_iterator begin() const { return {vec_.data(), chunk_}; }
   const_iterator end() const { return {vec_.data() + vec_.size(), chunk_}; }
 
-  value_type operator[](unsigned idx) const {
+  value_type operator[](size_type idx) const {
     return {vec_.data() + idx * chunk_, vec_.data() + (idx + 1) * chunk_};
   }