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Optimize common case

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This commit is contained in:
Victor Zverovich 2020-05-25 18:59:37 -07:00
parent 98d4bbf813
commit 1a716caf5d
1 changed files with 5 additions and 0 deletions
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5
include/fmt/format.h
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@ -3181,6 +3181,11 @@ typename Context::iterator vformat_to(
basic_format_args<Context> args, basic_format_args<Context> args,
detail::locale_ref loc = detail::locale_ref()) { detail::locale_ref loc = detail::locale_ref()) {
format_handler<ArgFormatter, Char, Context> h(out, format_str, args, loc); format_handler<ArgFormatter, Char, Context> h(out, format_str, args, loc);
if (format_str.size() == 2 && format_str[0] == '{' && format_str[1] == '}') {
auto arg = detail::get_arg(h.context, 0);
h.parse_context.advance_to(&format_str[1]);
return visit_format_arg(ArgFormatter(h.context, &h.parse_context), arg);
}
detail::parse_format_string<false>(format_str, h); detail::parse_format_string<false>(format_str, h);
return h.context.out(); return h.context.out();
} }