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fixup constexpr issues

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This commit is contained in:
Walter Gray 2020-12-21 12:35:06 -08:00
parent b0c65dffe6
commit 6f393f2839
1 changed files with 24 additions and 16 deletions
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40
include/fmt/ranges.h
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@ -260,27 +260,35 @@ OutputIt add_range_formatting_spaces(OutputIt out,
return out;
}
template <typename Char, typename OutputIt, typename Arg>
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(std::is_same<Arg, const char*>::value ||
is_like_std_string<typename std::decay<Arg>::type>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
FMT_CONSTEXPR_DECL const char quote = []() {
if (const_check(
std::is_same<Arg, const char*>::value ||
is_like_std_string<typename std::decay<Arg>::type>::value)) {
return '"';
} else if (const_check(std::is_same<Arg, Char>::value)) {
return '\'';
} else {
return '\0';
}
}();
if (const_check(quote)) *out++ = quote;
*out++ = '"';
out = write<Char>(out, v);
if (const_check(quote)) *out++ = quote;
*out++ = '"';
return out;
}
template <typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg v) {
*out++ = '\'';
*out++ = v;
*out++ = '\'';
return out;
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(!std::is_same<Arg, const char*>::value &&
!is_like_std_string<typename std::decay<Arg>::type>::value &&
!std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
return write<Char>(out, v);
}
} // namespace detail
template <typename T> struct is_tuple_like {