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feat: nodiscard for postfix increment and decrement

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This commit is contained in:
Johel Ernesto Guerrero Peña
2020-08-09 22:10:03 -04:00
committed by Mateusz Pusz
parent 5cb6d93099
commit 69dddaf1f6
2 changed files with 4 additions and 4 deletions
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2
cmake/common

Submodule cmake/common updated: eb5fbd40d1...a12d699507

6
src/include/units/quantity.h
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@@ -141,7 +141,7 @@ public:
template<typename T = Rep> template<typename T = Rep>
requires requires(T v) { { v++ } -> SAME_AS(T); } requires requires(T v) { { v++ } -> SAME_AS(T); }
constexpr quantity operator++(int) [[nodiscard]] constexpr quantity operator++(int)
// requires requires(rep v) { { v++ } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10) // requires requires(rep v) { { v++ } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ {
return quantity(value_++); return quantity(value_++);
@@ -158,7 +158,7 @@ public:
template<typename T = Rep> template<typename T = Rep>
requires requires(T v) { { v-- } -> SAME_AS(T); } requires requires(T v) { { v-- } -> SAME_AS(T); }
constexpr quantity operator--(int) [[nodiscard]] constexpr quantity operator--(int)
// requires requires(rep v) { { v-- } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10) // requires requires(rep v) { { v-- } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ {
return quantity(value_--); return quantity(value_--);
@@ -300,7 +300,7 @@ public:
template<class CharT, class Traits> template<class CharT, class Traits>
friend std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os, const quantity& q) friend std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os, const quantity& q)
{ {
return os << detail::to_string<CharT, Traits>(q); return os << detail::to_string<CharT, Traits>(q);
} }
}; };