func (v Value) Close() {
	v.mustBe(Chan)
	v.mustBeExported()
	tt := (*chanType)(unsafe.Pointer(v.typ()))
	if ChanDir(tt.Dir)&SendDir == 0 {
		panic("reflect: close of receive-only channel")
	}

	chanclose(v.pointer())
}

// CanComplex reports whether [Value.Complex] can be used without panicking.
func (v Value) CanComplex() bool {
	switch v.kind() {
	case Complex64, Complex128:
		return true