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15 #ifndef A_UTIL_BASE_FEATURE_CHECK_LIBRARY_STRING_VIEW_H
16 #define A_UTIL_BASE_FEATURE_CHECK_LIBRARY_STRING_VIEW_H
20 #if __has_include(<string_view>)
22 #if (defined(_MSC_VER) && (_MSVC_LANG > 201402L)) || (__cplusplus > 201402L)
23 #define HAS_STRING_VIEW 1
25 #define HAS_STRING_VIEW 0
30 #define HAS_STRING_VIEW 0