diff options
Diffstat (limited to 'libartbase/base/string_view_cpp20.h')
-rw-r--r-- | libartbase/base/string_view_cpp20.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/libartbase/base/string_view_cpp20.h b/libartbase/base/string_view_cpp20.h index 2c11a2f2b8..9bd29d5c52 100644 --- a/libartbase/base/string_view_cpp20.h +++ b/libartbase/base/string_view_cpp20.h @@ -21,18 +21,23 @@ namespace art { -// Replacement functions for std::string_view::starts_with(), ends_with() -// which shall be available in C++20. -#if __cplusplus >= 202000L -#error "When upgrading to C++20, remove this error and file a bug to remove this workaround." -#endif +// When this code is only compiled on C++20+, these wrappers can be removed and +// calling code changed to call the string_view methods directly. inline bool StartsWith(std::string_view sv, std::string_view prefix) { +#if !defined(__cpp_lib_starts_ends_with) || __cpp_lib_starts_ends_with < 201711L return sv.substr(0u, prefix.size()) == prefix; +#else + return sv.starts_with(prefix); +#endif } inline bool EndsWith(std::string_view sv, std::string_view suffix) { +#if !defined(__cpp_lib_starts_ends_with) || __cpp_lib_starts_ends_with < 201711L return sv.size() >= suffix.size() && sv.substr(sv.size() - suffix.size()) == suffix; +#else + return sv.ends_with(suffix); +#endif } } // namespace art |