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Relax constexpr

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Victor Zverovich
2026-01-29 06:34:24 -08:00
parent 6bbba0747c
commit e99ef3f9f9
1 changed files with 4 additions and 6 deletions
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include/fmt/base.h
+4 -6
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@@ -495,10 +495,10 @@ struct is_back_insert_iterator<
// Extracts a reference to the container from *insert_iterator. // Extracts a reference to the container from *insert_iterator.
template <typename OutputIt> template <typename OutputIt>
inline FMT_CONSTEXPR20 auto get_container(OutputIt it) -> inline FMT_CONSTEXPR auto get_container(OutputIt it) ->
typename OutputIt::container_type& { typename OutputIt::container_type& {
struct accessor : OutputIt { struct accessor : OutputIt {
FMT_CONSTEXPR20 accessor(OutputIt base) : OutputIt(base) {} constexpr accessor(OutputIt base) : OutputIt(base) {}
using OutputIt::container; using OutputIt::container;
}; };
return *accessor(it).container; return *accessor(it).container;
@@ -2078,8 +2078,7 @@ template <typename T, typename InputIt, typename OutputIt,
FMT_ENABLE_IF(is_back_insert_iterator<OutputIt>::value&& FMT_ENABLE_IF(is_back_insert_iterator<OutputIt>::value&&
has_back_insert_iterator_container_append< has_back_insert_iterator_container_append<
OutputIt, InputIt>::value)> OutputIt, InputIt>::value)>
FMT_CONSTEXPR20 auto copy(InputIt begin, InputIt end, OutputIt out) FMT_CONSTEXPR auto copy(InputIt begin, InputIt end, OutputIt out) -> OutputIt {
-> OutputIt {
get_container(out).append(begin, end); get_container(out).append(begin, end);
return out; return out;
} }
@@ -2090,8 +2089,7 @@ template <typename T, typename InputIt, typename OutputIt,
OutputIt, InputIt>::value && OutputIt, InputIt>::value &&
has_back_insert_iterator_container_insert_at_end< has_back_insert_iterator_container_insert_at_end<
OutputIt, InputIt>::value)> OutputIt, InputIt>::value)>
FMT_CONSTEXPR20 auto copy(InputIt begin, InputIt end, OutputIt out) FMT_CONSTEXPR auto copy(InputIt begin, InputIt end, OutputIt out) -> OutputIt {
-> OutputIt {
auto& c = get_container(out); auto& c = get_container(out);
c.insert(c.end(), begin, end); c.insert(c.end(), begin, end);
return out; return out;