feedc0de/mp-units
1
0
Fork 0
forked from mpusz/mp-units
Code Pull Requests Activity

refactor: quantity_spec::operator[] return type constraints improved

Browse Source
This commit is contained in:
Mateusz Pusz
2022-12-22 21:26:51 +01:00
parent 858cbb472f
commit 57d655062c
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/core/include/units/quantity_spec.h
View File

@@ -197,7 +197,7 @@ struct derived_quantity_spec : detail::expr_fractions<derived_quantity_spec<>, Q
#ifdef __cpp_explicit_this_parameter #ifdef __cpp_explicit_this_parameter
template<typename Self, Unit U> template<typename Self, Unit U>
[[nodiscard]] consteval Reference auto operator[](this const Self, U u) [[nodiscard]] consteval std::same_as<reference<Self{}, u>> auto operator[](this const Self, U u)
requires(dimension == detail::get_dimension_for(u)) requires(dimension == detail::get_dimension_for(u))
{ {
return reference<Self{}, u>{}; return reference<Self{}, u>{};
@@ -205,7 +205,7 @@ struct derived_quantity_spec : detail::expr_fractions<derived_quantity_spec<>, Q
#else #else
// TODO can we somehow return an explicit reference type here? // TODO can we somehow return an explicit reference type here?
template<Unit U> template<Unit U>
[[nodiscard]] consteval Reference auto operator[](U u) const [[nodiscard]] consteval std::same_as<reference<derived_quantity_spec{}, U{}>> auto operator[](U u) const
requires(dimension == detail::get_dimension_for(u)) requires(dimension == detail::get_dimension_for(u))
{ {
return reference<derived_quantity_spec{}, u>{}; return reference<derived_quantity_spec{}, u>{};
@@ -289,12 +289,12 @@ struct quantity_spec<Self, Dim, Args...> {
#ifdef __cpp_explicit_this_parameter #ifdef __cpp_explicit_this_parameter
template<typename Self, Unit U> template<typename Self, Unit U>
[[nodiscard]] consteval Reference auto operator[](this const Self, U u) [[nodiscard]] consteval std::same_as<reference<Self{}, U{}>> auto operator[](this const Self, U u)
requires(dimension == detail::get_dimension_for(u)) requires(dimension == detail::get_dimension_for(u))
#else #else
template<Unit U> template<Unit U>
// TODO can we somehow return an explicit reference type here? // TODO can we somehow return an explicit reference type here?
[[nodiscard]] consteval Reference auto operator[](U u) const [[nodiscard]] consteval std::same_as<reference<Self{}, U{}>> auto operator[](U u) const
requires(dimension == detail::get_dimension_for(u)) requires(dimension == detail::get_dimension_for(u))
#endif #endif
{ {
@@ -364,7 +364,7 @@ struct quantity_spec<Self, Q, Args...> : std::remove_const_t<decltype(Q)> {
#ifndef __cpp_explicit_this_parameter #ifndef __cpp_explicit_this_parameter
template<Unit U> template<Unit U>
// TODO can we somehow return an explicit reference type here? // TODO can we somehow return an explicit reference type here?
[[nodiscard]] consteval Reference auto operator[](U u) const [[nodiscard]] consteval std::same_as<reference<Self{}, U{}>> auto operator[](U u) const
requires(this->dimension == detail::get_dimension_for(u)) requires(this->dimension == detail::get_dimension_for(u))
{ {
return reference<Self{}, u>{}; return reference<Self{}, u>{};