service/vendor/github.com/twitchyliquid64/golang-asm/bio/must.go

44 lines
883 B
Go

// Copyright 2016 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 bio
import (
"io"
"log"
)
// MustClose closes Closer c and calls log.Fatal if it returns a non-nil error.
func MustClose(c io.Closer) {
if err := c.Close(); err != nil {
log.Fatal(err)
}
}
// MustWriter returns a Writer that wraps the provided Writer,
// except that it calls log.Fatal instead of returning a non-nil error.
func MustWriter(w io.Writer) io.Writer {
return mustWriter{w}
}
type mustWriter struct {
w io.Writer
}
func (w mustWriter) Write(b []byte) (int, error) {
n, err := w.w.Write(b)
if err != nil {
log.Fatal(err)
}
return n, nil
}
func (w mustWriter) WriteString(s string) (int, error) {
n, err := io.WriteString(w.w, s)
if err != nil {
log.Fatal(err)
}
return n, nil
}