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Optimize format string compilation

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This commit is contained in:
Victor Zverovich
2021-05-09 09:15:55 -07:00
parent 3207a8bbbf
commit 4862930845
2 changed files with 28 additions and 8 deletions
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include/fmt/compile.h
+5 -4
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@@ -319,7 +319,8 @@ template <typename Char, typename T, int N> struct spec_field {
formatter<T, Char> fmt;
template <typename OutputIt, typename... Args>
constexpr OutputIt format(OutputIt out, const Args&... args) const {
constexpr FMT_INLINE OutputIt format(OutputIt out,
const Args&... args) const {
const auto& vargs =
make_format_args<basic_format_context<OutputIt, Char>>(args...);
basic_format_context<OutputIt, Char> ctx(out, vargs);
@@ -556,9 +557,9 @@ template <typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
FMT_INLINE std::basic_string<Char> format(const CompiledFormat& cf,
const Args&... args) {
basic_memory_buffer<Char> buffer;
cf.format(detail::buffer_appender<Char>(buffer), args...);
return to_string(buffer);
auto s = std::basic_string<Char>();
cf.format(std::back_inserter(s), args...);
return s;
}
template <typename OutputIt, typename CompiledFormat, typename... Args,