Sha256: 7a267a6b0526aca3110e7172ef134379d5e43aefbe3528f559e781eeb88fa975
Contents?: true
Size: 652 Bytes
Versions: 7
Compression:
Stored size: 652 Bytes
Contents
// Copyright (c) 2017-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/json/
#ifndef TAO_JSON_JAXN_IS_IDENTIFIER_HPP
#define TAO_JSON_JAXN_IS_IDENTIFIER_HPP
#include <algorithm>
#include <cctype>
#include <string_view>
namespace tao::json::jaxn
{
[[nodiscard]] inline bool is_identifier( const std::string_view v ) noexcept
{
if( v.empty() || ( std::isdigit( v[ 0 ] ) != 0 ) ) {
return false;
}
return std::all_of( v.begin(), v.end(), []( const char c ) { return ( std::isalnum( c ) != 0 ) || ( c == '_' ); } );
}
} // namespace tao::json::jaxn
#endif
Version data entries
7 entries across 7 versions & 1 rubygems