gob: avoid a couple of init-time allocations.

R=r CC=golang-dev https://golang.org/cl/4806049

gob: avoid a couple of init-time allocations.
R=r CC=golang-dev https://golang.org/cl/4806049
bb8e36b4 · David Symonds · 19e80b08 · bb8e36b4
Commit bb8e36b4 authored Aug 04, 2011 by David Symonds
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src/pkg/gob/type.go src/pkg/gob/type.go +2 -2

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--- a/src/pkg/gob/type.go
+++ b/src/pkg/gob/type.go
@@ -81,8 +81,8 @@ func validUserType(rt reflect.Type) (ut *userTypeInfo, err os.Error) {
 }
 var (
-	gobEncoderInterfaceType = reflect.TypeOf(new(GobEncoder)).Elem()
+	gobEncoderInterfaceType = reflect.TypeOf((*GobEncoder)(nil)).Elem()
-	gobDecoderInterfaceType = reflect.TypeOf(new(GobDecoder)).Elem()
+	gobDecoderInterfaceType = reflect.TypeOf((*GobDecoder)(nil)).Elem()
 )
 // implementsInterface reports whether the type implements the