simplify various code using new map index rule

R=r
CC=golang-dev
https://golang.org/cl/833044

1 files changed, 2 insertions, 2 deletions

diff --git a/src/pkg/debug/dwarf/type_test.go b/src/pkg/debug/dwarf/type_test.go
index c3e456024c..6c2daaa56d 100644
--- a/src/pkg/debug/dwarf/type_test.go
+++ b/src/pkg/debug/dwarf/type_test.go
@@ -87,7 +87,7 @@ func testTypedefs(t *testing.T, d *Data) {
 			}
 
 			if want, ok := typedefTests[t1.Name]; ok {
-				if _, ok := seen[t1.Name]; ok {
+				if seen[t1.Name] {
 					t.Errorf("multiple definitions for %s", t1.Name)
 				}
 				seen[t1.Name] = true
@@ -102,7 +102,7 @@ func testTypedefs(t *testing.T, d *Data) {
 	}
 
 	for k := range typedefTests {
-		if _, ok := seen[k]; !ok {
+		if !seen[k] {
 			t.Errorf("missing %s", k)
 		}
 	}