- peek-next-char #!optional PORTprocedure
advances to the next character in the PORT and peeks at it. This function is useful when parsing LR(1)-type languages (one-char-read-ahead).
The optional argument PORT defaults to the current input port.
advances to the next character in the PORT and peeks at it. This function is useful when parsing LR(1)-type languages (one-char-read-ahead).
The optional argument PORT defaults to the current input port.