tomo/test/enums.tm

enum Foo(Zero, One(x:Int), Two(x,y:Int))

func main()
	>> Foo.Zero
	= Foo.Zero
	>> Foo.One(123)
	= Foo.One(x=123)
	>> Foo.Two(123, 456)
	= Foo.Two(x=123, y=456)

	>> Foo.One(10) == Foo.One(10)
	= yes

	>> Foo.One(10) == Foo.Zero
	= no

	>> Foo.One(10) == Foo.One(-1)
	= no

	>> Foo.One(10) < Foo.Two(1, 2)
	= yes

	>> x := Foo.One(123)
	>> t := {x:"found"; default="missing"}
	>> t[x]
	= "found"
	>> t[Foo.Zero]
	= "missing"

	when x is o:One
		>> o.x
		= 123
	else
		fail("Oops")