Method _getchar

src/click/testing.py:495–502

(echo: bool)

        @_pause_echo(echo_input)  # type: ignore
        def _getchar(echo: bool) -> str:
            char = sys.stdin.read(1)

            if echo:
                sys.stdout.write(char)

            sys.stdout.flush()
            return char

        default_color = color