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Added missing std::declval for non-default-constructible types (#4024)

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Matthias Moulin 2024-06-18 20:27:40 +02:00 committed by GitHub
parent c00149f5e2
commit ac96773230
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1 changed files with 6 additions and 5 deletions
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11
include/fmt/ranges.h
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@ -619,11 +619,12 @@ struct formatter<
range_format::debug_string>> {
private:
using range_type = detail::maybe_const_range<R>;
using string_type = conditional_t<
std::is_constructible<detail::std_string_view<Char>,
decltype(detail::range_begin(R())),
decltype(detail::range_end(R()))>::value,
detail::std_string_view<Char>, std::basic_string<Char>>;
using string_type =
conditional_t<std::is_constructible<
detail::std_string_view<Char>,
decltype(detail::range_begin(std::declval<R>())),
decltype(detail::range_end(std::declval<R>()))>::value,
detail::std_string_view<Char>, std::basic_string<Char>>;
formatter<string_type, Char> underlying_;