Rename pad function to indent.

The name indent better describes the function.  This also will help
differentiate the function from planned functions that are intended to
perform padding for the purposes of aligning fields, types, and values.

spew/common_test.go

@@ -39,7 +39,7 @@ func (s *pstringer) String() string {
 }
 
 // xref1 and xref2 are cross referencing structs for testing circular reference
-//  detection.
+// detection.
 type xref1 struct {
 	ps2 *xref2
 }

spew/dump.go

@@ -27,19 +27,19 @@ import (
 
 // dumpState contains information about the state of a dump operation.
 type dumpState struct {
-	w              io.Writer
-	depth          int
-	pointers       map[uintptr]int
-	ignoreNextType bool
-	ignoreNextPad  bool
-	cs             *ConfigState
+	w                io.Writer
+	depth            int
+	pointers         map[uintptr]int
+	ignoreNextType   bool
+	ignoreNextIndent bool
+	cs               *ConfigState
 }
 
-// pad performs indentation according to the depth level and cs.Indent
+// indent performs indentation according to the depth level and cs.Indent
 // option.
-func (d *dumpState) pad() {
-	if d.ignoreNextPad {
-		d.ignoreNextPad = false
+func (d *dumpState) indent() {
+	if d.ignoreNextIndent {
+		d.ignoreNextIndent = false
 		return
 	}
 	d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
@@ -148,14 +148,14 @@ func (d *dumpState) dump(v reflect.Value) {
 
 	// Handle pointers specially.
 	if kind == reflect.Ptr {
-		d.pad()
+		d.indent()
 		d.dumpPtr(v)
 		return
 	}
 
 	// Print type information unless already handled elsewhere.
 	if !d.ignoreNextType {
-		d.pad()
+		d.indent()
 		d.w.Write(openParenBytes)
 		d.w.Write([]byte(v.Type().String()))
 		d.w.Write(closeParenBytes)
@@ -203,7 +203,7 @@ func (d *dumpState) dump(v reflect.Value) {
 		d.w.Write(openBraceNewlineBytes)
 		d.depth++
 		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.pad()
+			d.indent()
 			d.w.Write(maxNewlineBytes)
 		} else {
 			numEntries := v.Len()
@@ -217,7 +217,7 @@ func (d *dumpState) dump(v reflect.Value) {
 			}
 		}
 		d.depth--
-		d.pad()
+		d.indent()
 		d.w.Write(closeBraceBytes)
 
 	case reflect.String:
@@ -234,7 +234,7 @@ func (d *dumpState) dump(v reflect.Value) {
 		d.w.Write(openBraceNewlineBytes)
 		d.depth++
 		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.pad()
+			d.indent()
 			d.w.Write(maxNewlineBytes)
 		} else {
 			numEntries := v.Len()
@@ -242,7 +242,7 @@ func (d *dumpState) dump(v reflect.Value) {
 			for i, key := range keys {
 				d.dump(d.unpackValue(key))
 				d.w.Write(colonSpaceBytes)
-				d.ignoreNextPad = true
+				d.ignoreNextIndent = true
 				d.dump(d.unpackValue(v.MapIndex(key)))
 				if i < (numEntries - 1) {
 					d.w.Write(commaNewlineBytes)
@@ -252,24 +252,24 @@ func (d *dumpState) dump(v reflect.Value) {
 			}
 		}
 		d.depth--
-		d.pad()
+		d.indent()
 		d.w.Write(closeBraceBytes)
 
 	case reflect.Struct:
 		d.w.Write(openBraceNewlineBytes)
 		d.depth++
 		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.pad()
+			d.indent()
 			d.w.Write(maxNewlineBytes)
 		} else {
 			vt := v.Type()
 			numFields := v.NumField()
 			for i := 0; i < numFields; i++ {
-				d.pad()
+				d.indent()
 				vtf := vt.Field(i)
 				d.w.Write([]byte(vtf.Name))
 				d.w.Write(colonSpaceBytes)
-				d.ignoreNextPad = true
+				d.ignoreNextIndent = true
 				d.dump(d.unpackValue(v.Field(i)))
 				if i < (numFields - 1) {
 					d.w.Write(commaNewlineBytes)
@@ -279,7 +279,7 @@ func (d *dumpState) dump(v reflect.Value) {
 			}
 		}
 		d.depth--
-		d.pad()
+		d.indent()
 		d.w.Write(closeBraceBytes)
 
 	case reflect.Uintptr: