External/fmt
8
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use conditional_t inside detail::write instead of 2 overloads

Browse Source
This commit is contained in:
Alexey Ochapov 2020-08-19 22:17:17 +03:00
parent b1a55bc099
commit 6ec1ba5515
No known key found for this signature in database
GPG Key ID: 9DC52E8F031B8DA8
1 changed files with 11 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
include/fmt/format.h
View File

@ -1842,25 +1842,17 @@ OutputIt write(OutputIt out, const void* value) {
}
template <typename Char, typename OutputIt, typename T,
FMT_ENABLE_IF(
has_formatter<T, basic_format_context<OutputIt, Char>>::value)>
auto write(OutputIt out, const T& value) -> typename std::enable_if<
mapped_type_constant<T, basic_format_context<OutputIt, Char>>::value ==
type::custom_type,
OutputIt>::type {
basic_format_context<OutputIt, Char> ctx(out, {}, {});
return formatter<T>().format(value, ctx);
}
template <typename Char, typename OutputIt, typename T,
FMT_ENABLE_IF(has_fallback_formatter<
T, basic_format_context<OutputIt, Char>>::value)>
auto write(OutputIt out, const T& value) -> typename std::enable_if<
mapped_type_constant<T, basic_format_context<OutputIt, Char>>::value ==
type::custom_type,
OutputIt>::type {
basic_format_context<OutputIt, Char> ctx(out, {}, {});
return fallback_formatter<T>().format(value, ctx);
typename Context = basic_format_context<OutputIt, Char>>
auto write(OutputIt out, const T& value) ->
typename std::enable_if<mapped_type_constant<T, Context>::value ==
type::custom_type,
OutputIt>::type {
using formatter_type =
conditional_t<has_formatter<T, Context>::value,
typename Context::template formatter_type<T>,
fallback_formatter<T, Char>>;
Context ctx(out, {}, {});
return formatter_type().format(value, ctx);
}
// An argument visitor that formats the argument and writes it via the output