| Issue |
86043
|
| Summary |
[libc++] The call operator of std::mem_fn(pm) isn't SFINAE-friendly and doesn't propagate noexcept
|
| Labels |
libc++
|
| Assignees |
|
| Reporter |
pdimov
|
According to https://eel.is/c++draft/func.memfn and https://eel.is/c++draft/func.require#5, `std::mem_fn(pm)(args...)` should be _expression-equivalent_ to `std::invoke(pm, args...)`, which implies that it should be constrained in the same way and be `noexcept` in the same way. But it isn't. E.g. https://godbolt.org/z/qf6PccY3n and https://godbolt.org/z/fjMqKfeex.
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