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🛠 Heavily guard existing FMT_OUTPUT_RANGES for terrible compilers

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ThePhD 2023-12-15 00:39:27 -05:00
parent 5982f05269
commit ee799d6fdb
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1 changed files with 5 additions and 1 deletions
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6
include/fmt/core.h
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@ -144,7 +144,11 @@
// Only on if we know we can do the begin/end range checking properly,
// that we have `if constexpr`, and that we have a std::ranges::subrange type
#ifndef FMT_OUTPUT_RANGES
# if FMT_RANGE_CHECKS && defined(__cpp_if_constexpr) && defined( __cpp_lib_ranges)
# if FMT_RANGE_CHECKS \
&& defined(__cpp_if_constexpr) && (__cpp_if_constexpr >= 201606L)\
&& defined(__cpp_lib_ranges) && (__cpp_lib_ranges >= 201911L )\
&& defined(__cpp_concepts) && (__cpp_concepts >= 202002L) \
&& defined(__cpp_lib_concepts) && (__cpp_lib_concepts >= 201907L)
# define FMT_OUTPUT_RANGES 1
# else
# define FMT_OUTPUT_RANGES 0