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Add Non-exception Throwing Specifier to ranges::ssize #4231

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Merged
Stephan T. Lavavej (StephanTLavavej) merged 3 commits into from
Dec 7, 2023
Merged

Add Non-exception Throwing Specifier to ranges::ssize #4231

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56a1ad8
<xutility>: `ranges::_Ssize_fn::operator()` should have a noexcept-sp…
PhiliaTheCat Dec 2, 2023
d9618d3
Formatting
PhiliaTheCat Dec 2, 2023
80a72a7
Add Static Assert and Conditional Non-Exception Throwing specifier
PhiliaTheCat Dec 2, 2023
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2 changes: 1 addition & 1 deletion stl/inc/xutility
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Original file line number Diff line number Diff line change
Expand Up @@ -3353,7 +3353,7 @@ namespace ranges {
class _Ssize_fn {
public:
template <class _Rng>
_NODISCARD constexpr auto operator()(_Rng&& _Range) const
_NODISCARD constexpr auto operator()(_Rng&& _Range) const noexcept(noexcept(_RANGES size(_Range)))
requires requires { _RANGES size(_Range); }
{
using _Sty = _Make_signed_like_t<decltype(_RANGES size(_Range))>;
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1 change: 1 addition & 0 deletions tests/std/tests/P0896R4_ranges_range_machinery/test.cpp
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Expand Up @@ -1529,6 +1529,7 @@ namespace nothrow_testing {
STATIC_ASSERT(noexcept(ranges::crend(t)) == Nothrow);
STATIC_ASSERT(noexcept(ranges::empty(t)) == Nothrow);
STATIC_ASSERT(noexcept(ranges::size(t)) == Nothrow);
STATIC_ASSERT(noexcept(ranges::ssize(t)) == Nothrow);
STATIC_ASSERT(noexcept(ranges::data(t)) == Nothrow);
STATIC_ASSERT(noexcept(ranges::cdata(t)) == Nothrow);

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