class Test
{
	var value = { 123.2, 456.5 };

	# conversion to int:
	routine (int) () {
		io.writeln( "casting to int" );
		return value.sum();
	}

	# conversion to float:
	routine (float) () {
		io.writeln( "casting to float" );
		return value.sum();
	}
	# conversion to string:
	routine (string) () {
		io.writeln( "casting to string" )
		return value.reduce(""){ [x, y] y += (string)x }; # convert to string
	}
	routine (array<int>) () {
		io.writeln( "casting to array<int>" );
		return array<int>( %value ){ [i] value[i] }
	}
	routine (tuple<float,float>) () {
		io.writeln( "casting to tuple<float,float>" );
		return (value[0], value[1])
	}
}

var t = Test();

var a = (int)t;
var b = (float)t;
var c = (string)t;
var v = (array<int>)t;
var v2 = (tuple<float,float>)t;

io.writeln( a, b, c, v2, std.about(v2) )

var e = Exception::Error( "testing" );
io.writeln( (string)e );

# a = (int)e; # error