Function read_next

src/toml.hpp:12559–12576

		}

		TOML_NODISCARD
		const utf8_codepoint* read_next() noexcept(!TOML_COMPILER_HAS_EXCEPTIONS) final
		{
			utf8_reader_error_check({});

			if (codepoints_.current == codepoints_.count)
			{
				if TOML_UNLIKELY(!stream_ || !read_next_block())
					return nullptr;

				TOML_ASSERT_ASSUME(!codepoints_.current);
			}
			TOML_ASSERT_ASSUME(codepoints_.count);
			TOML_ASSERT_ASSUME(codepoints_.count <= block_capacity);
			TOML_ASSERT_ASSUME(codepoints_.current < codepoints_.count);

			return &codepoints_.buffer[codepoints_.current++];
		}

		TOML_NODISCARD
		bool peek_eof() const noexcept(!TOML_COMPILER_HAS_EXCEPTIONS) final