var text/template.errorType

4 uses

	text/template (current package)
		exec.go#L665: 	errorType        = reflect.TypeOf((*error)(nil)).Elem()
		exec.go#L981: 	if !v.Type().Implements(errorType) && !v.Type().Implements(fmtStringerType) {
		exec.go#L982: 		if v.CanAddr() && (reflect.PtrTo(v.Type()).Implements(errorType) || reflect.PtrTo(v.Type()).Implements(fmtStringerType)) {
		funcs.go#L115: 	case typ.NumOut() == 2 && typ.Out(1) == errorType: