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Disabled prefix/postfix increment/decrement operators (resolves #18)

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Mateusz Pusz
2019-11-09 14:09:30 +00:00
parent 0125bd7762
commit 04cbeb841e
1 changed files with 9 additions and 3 deletions
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12
src/include/units/quantity.h
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@@ -236,22 +236,28 @@ namespace units {
[[nodiscard]] static constexpr quantity min() noexcept { return quantity(quantity_values<Rep>::min()); } [[nodiscard]] static constexpr quantity min() noexcept { return quantity(quantity_values<Rep>::min()); }
[[nodiscard]] static constexpr quantity max() noexcept { return quantity(quantity_values<Rep>::max()); } [[nodiscard]] static constexpr quantity max() noexcept { return quantity(quantity_values<Rep>::max()); }
[[nodiscard]] constexpr quantity operator+() const { return quantity(*this); } [[nodiscard]] constexpr quantity operator+() const { return *this; }
[[nodiscard]] constexpr quantity operator-() const { return quantity(-count()); } [[nodiscard]] constexpr quantity operator-() const { return quantity(-count()); }
constexpr quantity& operator++() constexpr quantity& operator++()
// requires requires(rep v) { { ++v } -> std::same_as<rep&>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ {
++value_; ++value_;
return *this; return *this;
} }
constexpr quantity operator++(int) { return quantity(value_++); } constexpr quantity operator++(int)
// requires requires(rep v) { { v++ } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ return quantity(value_++); }
constexpr quantity& operator--() constexpr quantity& operator--()
// requires requires(rep v) { { --v } -> std::same_as<rep&>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ {
--value_; --value_;
return *this; return *this;
} }
constexpr quantity operator--(int) { return quantity(value_--); } constexpr quantity operator--(int)
// requires requires(rep v) { { v-- } -> std::same_as<rep>; } // TODO gated by gcc-9 (fixed in gcc-10)
{ return quantity(value_--); }
constexpr quantity& operator+=(const quantity& q) constexpr quantity& operator+=(const quantity& q)
{ {