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Add 'n' specifier for tuple and pair (#4107)

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Hugo Sales
2024-08-05 22:56:44 +01:00
committed by GitHub
parent 9f269062a7
commit 9f0c0c468b
2 changed files with 11 additions and 1 deletions
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9
include/fmt/ranges.h
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@@ -330,7 +330,14 @@ struct formatter<Tuple, Char,
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it != '}') report_error("invalid format specifier");
auto end = ctx.end();
if (it != end && detail::to_ascii(*it) == 'n') {
++it;
set_brackets({}, {});
set_separator({});
}
if (it != end && *it != '}') report_error("invalid format specifier");
ctx.advance_to(it);
detail::for_each(formatters_, detail::parse_empty_specs<ParseContext>{ctx});
return it;
}