Method get_character

Source/Utils/json.hpp:4823–4832

std::istream/std::streambuf use std::char_traits ::to_int_type, to ensure that std::char_traits ::eof() and the character 0xFF do not end up as the same value, eg. 0xFFFFFFFF.

            // ensure that std::char_traits<char>::eof() and the character 0xFF do not
            // end up as the same value, eg. 0xFFFFFFFF.
            std::char_traits<char>::int_type get_character()
            {
                auto res = sb->sbumpc();
                // set eof manually, as we don't use the istream interface.
                if (JSON_HEDLEY_UNLIKELY(res == EOF))
                {
                    is->clear(is->rdstate() | std::ios::eofbit);
                }
                return res;
            }

        private:
            /// the associated input stream