class TryExpr
	def main is shared
		
		x = 0
		x = try int.parse('123') catch FormatException get 0
		assert x == 123
	
		val ='11213'
		x = try int.parse(val) catch FormatException get 0
		assert x == 11213
	
		val1 ='foo'
		x = try int.parse(val1) catch FormatException get 666
		assert x == 666
		
		x=0
		val1 ='foo1'
		x = try int.parse(val1) catch FormatException get 666
		assert x == 666
		
		# all exceptions
		x = try int.parse(val1) catch get 667
		assert x == 667