return
		}
		ch, _ := u.(*Chan)
		if ch == nil {
			check.errorf(x, InvalidReceive, invalidOp+"cannot receive from non-channel %s", x)
			x.mode = invalid
			return
		}
		if ch.dir == SendOnly {
			check.errorf(x, InvalidReceive, invalidOp+"cannot receive from send-only channel %s", x)
			x.mode = invalid
			return
		}

		x.mode = commaok
		x.typ = ch.elem
		check.hasCallOrRecv = true

			return
		}
		ch, _ := u.(*Chan)
		if ch == nil {
			check.errorf(x, InvalidReceive, invalidOp+"cannot receive from non-channel %s", x)
			x.mode = invalid
			return
		}
		if ch.dir == SendOnly {
			check.errorf(x, InvalidReceive, invalidOp+"cannot receive from send-only channel %s", x)
			x.mode = invalid
			return
		}
		x.mode = commaok
		x.typ = ch.elem
		check.hasCallOrRecv = true
		return

		{"RelativeTo", Func, 5},
		{"Rune", Const, 5},
		{"Satisfies", Func, 20},
		{"Scope", Type, 5},
		{"Selection", Type, 5},
		{"SelectionKind", Type, 5},
		{"SelectionString", Func, 5},
		{"SendOnly", Const, 5},
		{"SendRecv", Const, 5},
		{"Signature", Type, 5},
		{"Sizes", Type, 5},
		{"SizesFor", Func, 9},
		{"Slice", Type, 5},
		{"StdSizes", Type, 5},
		{"StdSizes.MaxAlign", Field, 5},