const reflect.Invalid

22 uses

	reflect (current package)
		type.go#L301: 	Invalid Kind = iota
		type.go#L500: 	Invalid:       "invalid",
		value.go#L235: 		panic(&ValueError{valueMethodName(), Invalid})
		value.go#L253: 		panic(&ValueError{valueMethodName(), Invalid})
		value.go#L436: 		if x.Kind() == Invalid {
		value.go#L1477: 		panic(&ValueError{"reflect.Value.CanInterface", Invalid})
		value.go#L1495: 		panic(&ValueError{"reflect.Value.Interface", Invalid})
		value.go#L1520: 		panic(&ValueError{"reflect.TypeAssert", Invalid})
		value.go#L1901: 		panic(&ValueError{"reflect.Value.Method", Invalid})
		value.go#L1922: 		panic(&ValueError{"reflect.Value.NumMethod", Invalid})
		value.go#L1941: 		panic(&ValueError{"reflect.Value.MethodByName", Invalid})
		value.go#L2450: 	if v.kind() == Invalid {
		value.go#L2501: 		panic(&ValueError{"reflect.Value.Type", Invalid})
		value.go#L2573: 		panic(&ValueError{"reflect.Value.UnsafeAddr", Invalid})
		value.go#L3262: 	case Invalid:

	encoding/xml
		read.go#L648: 	case reflect.Invalid:

	fmt
		print.go#L779: 	case reflect.Invalid:

	text/template
		exec.go#L451: 	case reflect.Invalid:
		funcs.go#L182: 	case reflect.Invalid:
		funcs.go#L226: 		case reflect.Invalid:
		funcs.go#L457: 	return k1 == reflect.Invalid || k2 == reflect.Invalid

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)