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Simplify the comparison of sizes of different ranges #4864

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Aug 8, 2024
Merged

Simplify the comparison of sizes of different ranges #4864

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6 changes: 2 additions & 4 deletions stl/inc/algorithm
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Original file line number Diff line number Diff line change
Expand Up @@ -933,10 +933,8 @@ namespace ranges {
_NODISCARD _STATIC_CALL_OPERATOR constexpr bool operator()(
_Rng1&& _Range1, _Rng2&& _Range2, _Pr _Pred = {}, _Pj1 _Proj1 = {}, _Pj2 _Proj2 = {}) _CONST_CALL_OPERATOR {
if constexpr (sized_range<_Rng1> && sized_range<_Rng2>) {
using _Size1 = _Make_unsigned_like_t<range_size_t<_Rng1>>;
const auto _Count = static_cast<_Size1>(_RANGES size(_Range1));
using _Size2 = _Make_unsigned_like_t<range_size_t<_Rng2>>;
if (_Count != static_cast<_Size2>(_RANGES size(_Range2))) {
const auto _Count = _RANGES distance(_Range1);
if (_Count != _RANGES distance(_Range2)) {
return false;
}
return _RANGES _Equal_count(_Ubegin(_Range1), _Ubegin(_Range2), _Count, _STD _Pass_fn(_Pred),
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