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-rw-r--r--src/pkg/reflect/deepequal.go9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/pkg/reflect/deepequal.go b/src/pkg/reflect/deepequal.go
index c12e90f36..db047963e 100644
--- a/src/pkg/reflect/deepequal.go
+++ b/src/pkg/reflect/deepequal.go
@@ -122,9 +122,12 @@ func deepValueEqual(v1, v2 Value, visited map[uintptr]*visit, depth int) (b bool
panic("Not reached")
}
-// DeepEqual tests for deep equality. It uses normal == equality where possible
-// but will scan members of arrays, slices, maps, and fields of structs. It correctly
-// handles recursive types. Functions are equal only if they are both nil.
+// DeepEqual tests for deep equality. It uses normal == equality where
+// possible but will scan elements of arrays, slices, maps, and fields of
+// structs. In maps, keys are compared with == but elements use deep
+// equality. DeepEqual correctly handles recursive types. Functions are equal
+// only if they are both nil.
+// An empty slice is not equal to a nil slice.
func DeepEqual(a1, a2 interface{}) bool {
if a1 == nil || a2 == nil {
return a1 == a2