1:1-1:3	TYP	typ
1:5-1:5	ID	a
1:7-1:7	EQUALS	=
1:9-1:9	LBRACKET	(
1:10-1:10	COLON	:
1:11-1:11	COLON	:
1:12-1:14	INT	int
1:15-1:15	RBRACKET	)
2:1-2:3	FUN	fun
2:5-2:5	ID	f
2:6-2:6	LBRACKET	(
2:7-2:7	RBRACKET	)
2:9-2:9	COLON	:
2:11-2:11	LCURLY	{
2:12-2:12	RCURLY	}
2:14-2:14	EQUALS	=
3:5-3:5	HAT	^
3:6-3:6	ID	a
3:7-3:7	HAT	^
	EOF