Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / libgo / go / reflect / deepequal.go

diff --git a/libgo/go/reflect/deepequal.go b/libgo/go/reflect/deepequal.go
index c12e90f..db04796 100644 (file)
--- a/libgo/go/reflect/deepequal.go
+++ b/libgo/go/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