use append

R=gri, r, r2
CC=golang-dev
https://golang.org/cl/2743042

2 files changed, 3 insertions, 25 deletions

diff --git a/src/pkg/debug/dwarf/type.go b/src/pkg/debug/dwarf/type.go
index dc2e8b116d..902a545f86 100644
--- a/src/pkg/debug/dwarf/type.go
+++ b/src/pkg/debug/dwarf/type.go
@@ -451,14 +451,7 @@ func (d *Data) Type(off Offset) (Type, os.Error) {
 				f.ByteSize, _ = kid.Val(AttrByteSize).(int64)
 				f.BitOffset, _ = kid.Val(AttrBitOffset).(int64)
 				f.BitSize, _ = kid.Val(AttrBitSize).(int64)
-				n := len(t.Field)
-				if n >= cap(t.Field) {
-					fld := make([]*StructField, n, n*2)
-					copy(fld, t.Field)
-					t.Field = fld
-				}
-				t.Field = t.Field[0 : n+1]
-				t.Field[n] = f
+				t.Field = append(t.Field, f)
 			}
 		}
 
@@ -554,14 +547,7 @@ func (d *Data) Type(off Offset) (Type, os.Error) {
 			case TagUnspecifiedParameters:
 				tkid = &DotDotDotType{}
 			}
-			n := len(t.ParamType)
-			if n >= cap(t.ParamType) {
-				param := make([]Type, n, n*2)
-				copy(param, t.ParamType)
-				t.ParamType = param
-			}
-			t.ParamType = t.ParamType[0 : n+1]
-			t.ParamType[n] = tkid
+			t.ParamType = append(t.ParamType, tkid)
 		}
 
 	case TagTypedef:
diff --git a/src/pkg/debug/macho/file.go b/src/pkg/debug/macho/file.go
index 4664f0190d..d2802266ef 100644
--- a/src/pkg/debug/macho/file.go
+++ b/src/pkg/debug/macho/file.go
@@ -302,15 +302,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 }
 
 func (f *File) pushSection(sh *Section, r io.ReaderAt) {
-	n := len(f.Sections)
-	if n >= cap(f.Sections) {
-		m := (n + 1) * 2
-		new := make([]*Section, n, m)
-		copy(new, f.Sections)
-		f.Sections = new
-	}
-	f.Sections = f.Sections[0 : n+1]
-	f.Sections[n] = sh
+	f.Sections = append(f.Sections, sh)
 	sh.sr = io.NewSectionReader(r, int64(sh.Offset), int64(sh.Size))
 	sh.ReaderAt = sh.sr
 }