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Only enable feature when alias CTAD is available

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Charles Milette 2019-12-15 17:40:45 -05:00 committed by GitHub
parent 24d182bc13
commit d7a6e7464b
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1 changed files with 5 additions and 0 deletions
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include/fmt/format.h
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@ -700,6 +700,7 @@ void basic_memory_buffer<T, SIZE, Allocator>::grow(std::size_t size) {
if (old_data != store_) Allocator::deallocate(old_data, old_capacity); if (old_data != store_) Allocator::deallocate(old_data, old_capacity);
} }
#if defined(__cpp_deduction_guides) && __cpp_deduction_guides >= 201907L
template <std::size_t SIZE = inline_buffer_size, template <std::size_t SIZE = inline_buffer_size,
typename Allocator = std::allocator<char>> typename Allocator = std::allocator<char>>
using memory_buffer = basic_memory_buffer<char, SIZE, Allocator>; using memory_buffer = basic_memory_buffer<char, SIZE, Allocator>;
@ -707,6 +708,10 @@ using memory_buffer = basic_memory_buffer<char, SIZE, Allocator>;
template <std::size_t SIZE = inline_buffer_size, template <std::size_t SIZE = inline_buffer_size,
typename Allocator = std::allocator<wchar_t>> typename Allocator = std::allocator<wchar_t>>
using wmemory_buffer = basic_memory_buffer<wchar_t, SIZE, Allocator>; using wmemory_buffer = basic_memory_buffer<wchar_t, SIZE, Allocator>;
#else
using memory_buffer = basic_memory_buffer<char>;
using wmemory_buffer = basic_memory_buffer<wchar_t>;
#endif // defined(__cpp_deduction_guides) && __cpp_deduction_guides >= 201907L
/** A formatting error such as invalid format string. */ /** A formatting error such as invalid format string. */
FMT_CLASS_API FMT_CLASS_API