f = MakeFunc(TypeOf(f), func([]Value) []Value {
			var w io.WriteCloser = &WC{}
			return []Value{ValueOf(&w).Elem()}
		}).Interface().(func() io.ReadWriteCloser)
		f()
	})
	// Directional channels can't be assigned to bidirectional ones.
	shouldPanic("", func() {
		var f func() chan int
		f = MakeFunc(TypeOf(f), func([]Value) []Value {
			var c <-chan int = make(chan int)
			return []Value{ValueOf(c)}

Trials, I dare promise, that to him who shall argue truly, and then try all things with good Glasses and sufficient Circumspection, the expected Event will not be wanting. But he is first to know what Colours will arise from any others mix'd in any assigned Proportion. _PROP._ IV. THEOR. III. _Colours may be produced by Composition which shall be like to the Colours of homogeneal Light as to the Appearance of Colour, but not as to the Immutability of Colour and Constitution of Light. And those Colours...