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wrapping string_view checks in deduction guide checks to prevent 'macro unused' errors

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Jordan Maples
2020-05-29 10:53:30 -07:00
parent 9720cc552a
commit c4a2ce6cc8
1 changed files with 5 additions and 2 deletions
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7
tests/span_tests.cpp
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@@ -31,12 +31,15 @@
#include <vector> // for vector
#include <utility>
// the string_view include and macro are used in the deduciton guide verification
#if (defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L))
#ifdef __has_include
#if __has_include(<string_view>)
#include <string_view>
#define HAS_STRING_VIEW
#endif
#endif
#endif // __has_include(<string_view>)
#endif // __has_include
#endif // (defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L))
using namespace std;
using namespace gsl;