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Use static_assert instead of SFINAE in arg(...)

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This commit is contained in:
Victor Zverovich 2019-05-29 13:21:24 -07:00
parent afc571aedc
commit e5512c5d57
1 changed files with 3 additions and 1 deletions
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4
include/fmt/core.h
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@ -1416,8 +1416,9 @@ typename buffer_context<Char>::type::iterator vformat_to(
fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23));
\endrst
*/
template <typename S, typename T, FMT_ENABLE_IF(internal::is_string<S>::value)>
template <typename S, typename T>
inline internal::named_arg<T, FMT_CHAR(S)> arg(const S& name, const T& arg) {
static_assert(internal::is_string<S>::value, "");
return {name, arg};
}
@ -1472,6 +1473,7 @@ inline std::basic_string<Char> vformat(
std::string message = fmt::format("The answer is {}", 42);
\endrst
*/
// Use SFINAE instead of static_assert because of color overload of fmt::format.
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
inline std::basic_string<FMT_CHAR(S)> format(const S& format_str,