Added Slice function to Strings set type.

sets/strings.go

@@ -50,3 +50,12 @@ func (ss *Strings) Intersect(ss2 *Strings) *Strings {
 		data: results,
 	}
 }
+
+//Creates a slice of the values in the set, the values are not sorted
+func (ss *Strings) Slice() []string {
+	results := make([]string, 0, len(ss.data))
+	for v := range ss.data {
+		results = append(results, v)
+	}
+	return results
+}

sets/strings_test.go

@@ -24,4 +24,7 @@ func TestStrings(t *testing.T) {
 	require.True(t, s3.Contains("B"))
 	require.False(t, s3.Contains("A"))
 	require.False(t, s3.Contains("C"))
+
+	s1Slice := s.Slice()
+	require.ElementsMatch(t, s1Slice, []string{"A", "B"})
 }