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ch7: fix code format

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This commit is contained in:
chai2010
2016-01-21 10:22:10 +08:00
parent 2420954025
commit 0b5ec941ed
13 changed files with 208 additions and 186 deletions
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60
ch7/ch7-12.md
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@@ -4,13 +4,13 @@
```go
func writeHeader(w io.Writer, contentType string) error {
if _, err := w.Write([]byte("Content-Type: ")); err != nil {
return err
}
if _, err := w.Write([]byte(contentType)); err != nil {
return err
}
// ...
if _, err := w.Write([]byte("Content-Type: ")); err != nil {
return err
}
if _, err := w.Write([]byte(contentType)); err != nil {
return err
}
// ...
}
```
@@ -24,23 +24,23 @@ func writeHeader(w io.Writer, contentType string) error {
// writeString writes s to w.
// If w has a WriteString method, it is invoked instead of w.Write.
func writeString(w io.Writer, s string) (n int, err error) {
type stringWriter interface {
WriteString(string) (n int, err error)
}
if sw, ok := w.(stringWriter); ok {
return sw.WriteString(s) // avoid a copy
}
return w.Write([]byte(s)) // allocate temporary copy
type stringWriter interface {
WriteString(string) (n int, err error)
}
if sw, ok := w.(stringWriter); ok {
return sw.WriteString(s) // avoid a copy
}
return w.Write([]byte(s)) // allocate temporary copy
}
func writeHeader(w io.Writer, contentType string) error {
if _, err := writeString(w, "Content-Type: "); err != nil {
return err
}
if _, err := writeString(w, contentType); err != nil {
return err
}
// ...
if _, err := writeString(w, "Content-Type: "); err != nil {
return err
}
if _, err := writeString(w, contentType); err != nil {
return err
}
// ...
}
```
@@ -50,8 +50,8 @@ func writeHeader(w io.Writer, contentType string) error {
```go
interface {
io.Writer
WriteString(s string) (n int, err error)
io.Writer
WriteString(s string) (n int, err error)
}
```
@@ -65,13 +65,13 @@ interface {
package fmt
func formatOneValue(x interface{}) string {
if err, ok := x.(error); ok {
return err.Error()
}
if str, ok := x.(Stringer); ok {
return str.String()
}
// ...all other types...
if err, ok := x.(error); ok {
return err.Error()
}
if str, ok := x.(Stringer); ok {
return str.String()
}
// ...all other types...
}
```