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A comment on C++17 constexpr everything, or as much as the compiler can. Parent comment

Re:C++17 constexpr everything, or as much as the compiler can by Joky on Monday January 08, 2018 @11:36AM (#16097856)
No sure I get the question: static_assert can only invoke constexpr functions, and constexpr functions can only call themselves other constexpr functions. Since IO functions are not constexpr, you can't call them there.
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