Subject: Re: [isocpp-ext] CWG1962+CWG2362 type of __func__ / __func__ should be constexpr
From: Peter Dimov (pdimov_at_[hidden])
Date: 2020-04-30 08:40:30
Gabriel Dos Reis wrote:
> I donât see an âimprovementâ from the C++ side to __func__ as increasing C
> It is a C facility and any improvement to it should be deferred to WG14.
> Hence, leave it alone.
Why would it be a problem to use
static constexpr char _ _func_ _ = "function-name";
in C++? This remains compatible with the C definition, doesn't it?
I'm not sure I see what additional problems this would create. At the
inline char f()
already causes an ODR violation if __func__ doesn't have the same value
in two translation units. Allowing people to instantiate templates with
__func__ doesn't seem to add much.
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