<functional>: Constrain functions used by std::bind
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tests/std/tests/GH_000952_bind_constraints/test.compile.pass.cpp
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StephanTLavavej
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Mar 25, 2023
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Thanks! Product code looked good, I pushed a commit to fix and enhance the test code. 😸 |
strega-nil-ms
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Mar 27, 2023
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks! One PR to rule them all and in the darkness bind them! 💍 🧙 😹 |
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Fixes #952.
The issue is probably because of that some functions used by
bindare not well constrained._Invoker_ret<_Rx>::_Call("backportedinvoke_r") is not constrained at all._Select_fixer<...>::_Fix/_Applyrely onstd::getfortuple, which is not constrained.Driven-by changes: use direct
if constexprandinvokein the internal functions used byfunctionandmove_only_function(similar to the use ininvoke_r), which may slightly improve compiler throughput.