)

type response struct {
}

type myError struct {
}

func (myError) Error() string { return "" }

func doRequest(useSelect bool) (*response, error) {
	type async struct {
		resp *response
		err  error
	}
	ch := make(chan *async, 0)
	done := make(chan struct{}, 0)

	if useSelect {
		go func() {
			select {
			case ch <- &async{resp: nil, err: myError{}}:
			case <-done:
			}
		}()
	} else {

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package a

type myError string

func (e myError) Error() string { return string(e) }

const myErrorVal myError = "error"

func IsMyError(err error) bool {
	return err == error(myErrorVal)

package errors_test

import (
	"errors"
	"fmt"
	"io/fs"
	"os"
	"time"
)

// MyError is an error implementation that includes a time and message.
type MyError struct {
	When time.Time
	What string
}

func (e MyError) Error() string {
	return fmt.Sprintf("%v: %v", e.When, e.What)
}

func oops() error {
	return MyError{
		time.Date(1989, 3, 15, 22, 30, 0, 0, time.UTC),
		"the file system has gone away",
	}
}

			err:      errors.New("myerror"),
			expectedAttrs: authorizer.AttributesRecord{
				User:            &user.DefaultInfo{Name: "bob"},
				Verb:            "get",
				Path:            "/mypath",
				ResourceRequest: false,
			},
			expectedStatus: authorizationapi.SubjectAccessReviewStatus{
				Allowed:         false,
				Reason:          "myreason",
				EvaluationError: "myerror",
			},
		},

//
// An error type might provide an Is method so it can be treated as equivalent
// to an existing error. For example, if MyError defines
//
//	func (m MyError) Is(target error) bool { return target == fs.ErrExist }
//
// then Is(MyError{}, fs.ErrExist) returns true. See [syscall.Errno.Is] for
// an example in the standard library. An Is method should only shallowly

var LitSCallXInit = FS(7, 8, 9)
var LitSAnyCallXInit any = FSA(10, 11, 12)

var LitSRepeat = F3(1 + 2)

func F0() *S { return &S{1, 2, 3} }

var LitSNoArgs = F0()

var myError = errors.New("mine")

func gopherize(s string) string { return "gopher gopher gopher " + s }

var animals = gopherize("badger")

// These init funcs should optimize away.

func init() {
}