gofmt-ify io, json, runtime, encoding

R=rsc
http://go/go-review/1017056

src/pkg/io/utils.go

@@ -48,9 +48,15 @@ func WriteFile(filename string, data []byte, perm int) os.Error {
 // A dirList implements sort.Interface.
 type dirList []*os.Dir
 
-func (d dirList) Len() int { return len(d); }
-func (d dirList) Less(i, j int) bool { return d[i].Name < d[j].Name; }
-func (d dirList) Swap(i, j int) { d[i], d[j] = d[j], d[i]; }
+func (d dirList) Len() int {
+	return len(d);
+}
+func (d dirList) Less(i, j int) bool {
+	return d[i].Name < d[j].Name;
+}
+func (d dirList) Swap(i, j int) {
+	d[i], d[j] = d[j], d[i];
+}
 
 // ReadDir reads the directory named by dirname and returns
 // a list of sorted directory entries.

src/pkg/json/struct.go

@@ -113,7 +113,8 @@ func (b *structBuilder) Float64(f float64) {
 	}
 }
 
-func (b *structBuilder) Null() {}
+func (b *structBuilder) Null() {
+}
 
 func (b *structBuilder) String(s string) {
 	if b == nil {

src/pkg/json/struct_test.go

@@ -43,9 +43,9 @@ const encoded = `{"t":true,"f":false,"s":"abc","i8":1,"i16":2,"i32":3,"i64":4,`
 	`"mapptrstruct":{"m1":{"u8":8}}}`
 
 var decodedMap = map[string][]int{
-	"k1": []int{1,2,3},
+	"k1": []int{1, 2, 3},
 	"k2": []int{},
-	"k3": []int{3,4},
+	"k3": []int{3, 4},
 }
 
 var decodedMapStruct = map[string]myStruct{

src/pkg/runtime/extern.go

@@ -5,7 +5,7 @@
 /*
 	The runtime package contains operations that interact with Go's runtime system,
 	such as functions to control goroutines.
- */
+*/
 package runtime
 
 // These functions are implemented in the base runtime library, ../../runtime/.

src/pkg/runtime/type.go

@@ -21,7 +21,7 @@ import "unsafe"
 // compile time; non-empty interface values get created
 // during initialization.  Type is an empty interface
 // so that the compiler can lay out references as data.
-type Type interface { }
+type Type interface{}
 
 // All types begin with a few common fields needed for
 // the interface runtime.
@@ -125,10 +125,11 @@ type SliceType struct {
 
 // ChanDir represents a channel type's direction.
 type ChanDir int
+
 const (
 	RecvDir		ChanDir	= 1<<iota;	// <-chan
 	SendDir;		// chan<-
-	BothDir = RecvDir | SendDir;	// chan
+	BothDir			= RecvDir|SendDir;	// chan
 )
 
 // ChanType represents a channel type.