44 lines
		
	
	
		
			883 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			883 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2016 The Go Authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style
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| // license that can be found in the LICENSE file.
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| 
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| package bio
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| 
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| import (
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| 	"io"
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| 	"log"
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| )
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| 
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| // MustClose closes Closer c and calls log.Fatal if it returns a non-nil error.
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| func MustClose(c io.Closer) {
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| 	if err := c.Close(); err != nil {
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| 		log.Fatal(err)
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| 	}
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| }
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| 
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| // MustWriter returns a Writer that wraps the provided Writer,
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| // except that it calls log.Fatal instead of returning a non-nil error.
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| func MustWriter(w io.Writer) io.Writer {
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| 	return mustWriter{w}
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| }
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| 
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| type mustWriter struct {
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| 	w io.Writer
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| }
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| 
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| func (w mustWriter) Write(b []byte) (int, error) {
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| 	n, err := w.w.Write(b)
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| 	if err != nil {
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| 		log.Fatal(err)
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| 	}
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| 	return n, nil
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| }
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| 
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| func (w mustWriter) WriteString(s string) (int, error) {
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| 	n, err := io.WriteString(w.w, s)
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| 	if err != nil {
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| 		log.Fatal(err)
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| 	}
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| 	return n, nil
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| }
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