refactor: reference::operator() return type constraints improved

2022-12-22 21:28:49 +01:00
parent e61bfafd29
commit 0caf998df1
1 changed files with 1 additions and 1 deletions
--- a/src/core/include/units/reference.h
+++ b/src/core/include/units/reference.h
@@ -53,7 +53,7 @@ struct reference {

  template<RepresentationOf<Q.character> Rep>
  // TODO can we somehow return an explicit quantity type here?
-  [[nodiscard]] constexpr Quantity auto operator()(Rep&& value) const
+  [[nodiscard]] constexpr std::same_as<quantity<reference{}, Rep>> auto operator()(Rep&& value) const
  {
    return quantity<reference{}, Rep>(std::forward<Rep>(value));
  }