Update FLATBUFFERS_HAS_STRING_VIEW __cplusplus checks to the versions provided by the standard feature test macros. (#4841)

This commit is contained in:
Paul Reimer
2018-07-26 15:40:41 -07:00
committed by Wouter van Oortmerssen
parent 1bb2a3bd08
commit 118093b613

View File

@@ -158,14 +158,14 @@
// to detect a header that provides an implementation
#if defined(__has_include)
// Check for std::string_view (in c++17)
#if __has_include(<string_view>) && (__cplusplus > 201402)
#if __has_include(<string_view>) && (__cplusplus >= 201606)
#include <string_view>
namespace flatbuffers {
typedef std::string_view string_view;
}
#define FLATBUFFERS_HAS_STRING_VIEW 1
// Check for std::experimental::string_view (in c++14, compiler-dependent)
#elif __has_include(<experimental/string_view>) && (__cplusplus > 201103)
#elif __has_include(<experimental/string_view>) && (__cplusplus >= 201411)
#include <experimental/string_view>
namespace flatbuffers {
typedef std::experimental::string_view string_view;