silence warning C4100 on MSVC 2019 when exceptions are disabled (#2397)

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Mattias Ljungström 2021-07-02 22:51:49 +02:00 committed by GitHub
parent 3e7a29cc92
commit 54014e42e3
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@ -337,7 +337,7 @@ struct monostate {
// `(void)var` method does not work on many intel compilers. This is
// from Herb Sutter, "Shutting up compiler warnings",
// https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/
template <class T> void ignore_unused(const T&) {}
template <class... Ts> FMT_CONSTEXPR void ignore_unused(const Ts&...) {}
// An enable_if helper to be used in template parameters which results in much
// shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed
@ -367,7 +367,8 @@ FMT_NORETURN FMT_API void assert_fail(const char* file, int line,
#ifndef FMT_ASSERT
# ifdef NDEBUG
// FMT_ASSERT is not empty to avoid -Werror=empty-body.
# define FMT_ASSERT(condition, message) ((void)0)
# define FMT_ASSERT(condition, message) \
::fmt::ignore_unused((condition), (message))
# else
# define FMT_ASSERT(condition, message) \
((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \