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golang
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1.19.4
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src
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testing
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iotest
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example_test.go
(469 B)
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logger.go
(1.26 KB)
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logger_test.go
(3.42 KB)
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reader.go
(7.94 KB)
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reader_test.go
(6.14 KB)
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writer.go
(674 B)
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writer_test.go
(876 B)
Editing: example_test.go
// 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 iotest_test import ( "errors" "fmt" "testing/iotest" ) func ExampleErrReader() { // A reader that always returns a custom error. r := iotest.ErrReader(errors.New("custom error")) n, err := r.Read(nil) fmt.Printf("n: %d\nerr: %q\n", n, err) // Output: // n: 0 // err: "custom error" }
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