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Fix a conditional expression is constant warning #2210 (#2211)

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Elliot 2021-04-07 18:42:11 +01:00 committed by GitHub
parent 266107f57c
commit 78776ee4e2
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1 changed files with 6 additions and 3 deletions
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9
include/fmt/core.h
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@ -393,10 +393,13 @@ template <typename Char> class basic_string_view {
\endrst
*/
#if __cplusplus >= 201703L // C++17's char_traits::length() is constexpr.
FMT_CONSTEXPR
constexpr
#endif
FMT_INLINE basic_string_view(const Char* s) : data_(s) {
if (std::is_same<Char, char>::value && !detail::is_constant_evaluated())
FMT_INLINE
basic_string_view(const Char* s)
: data_(s) {
if (detail::const_check(std::is_same<Char, char>::value &&
!detail::is_constant_evaluated()))
size_ = std::strlen(reinterpret_cast<const char*>(s));
else
size_ = std::char_traits<Char>::length(s);