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Fix string_view detection

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This commit is contained in:
Victor Zverovich 2018-02-10 07:17:29 -08:00
parent 5b3f9eab94
commit 5096c0fe97
1 changed files with 2 additions and 1 deletions
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3
include/fmt/core.h
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@ -151,7 +151,8 @@
namespace fmt { using std::basic_string_view; } namespace fmt { using std::basic_string_view; }
// std::experimental::basic_string_view::remove_prefix isn't constexpr in gcc 6. // std::experimental::basic_string_view::remove_prefix isn't constexpr in gcc 6.
#elif (FMT_HAS_INCLUDE(<experimental/string_view>) && \ #elif (FMT_HAS_INCLUDE(<experimental/string_view>) && \
__cplusplus >= 201402L && FMT_GCC_VERSION >= 700) (FMT_GCC_VERSION == 0 || FMT_GCC_VERSION >= 700) && \
__cplusplus >= 201402L)
# include <experimental/string_view> # include <experimental/string_view>
namespace fmt { using std::experimental::basic_string_view; } namespace fmt { using std::experimental::basic_string_view; }
#else #else