refactor objects

internal/evaluator/evaluator_test.go

@@ -640,12 +640,12 @@ func TestHashLiterals(t *testing.T) {
 	}
 
 	expected := map[object.HashKey]int64{
-		(object.String{Value: "one"}).HashKey():   1,
-		(object.String{Value: "two"}).HashKey():   2,
-		(object.String{Value: "three"}).HashKey(): 3,
-		(object.Integer{Value: 4}).HashKey():      4,
-		TRUE.HashKey():                            5,
-		FALSE.HashKey():                           6,
+		(object.String{Value: "one"}).Hash():   1,
+		(object.String{Value: "two"}).Hash():   2,
+		(object.String{Value: "three"}).Hash(): 3,
+		(object.Integer{Value: 4}).Hash():      4,
+		TRUE.Hash():                            5,
+		FALSE.Hash():                           6,
 	}
 
 	if len(result.Pairs) != len(expected) {
@@ -671,8 +671,8 @@ func TestHashMerging(t *testing.T) {
 	}
 
 	expected := map[object.HashKey]int64{
-		(object.String{Value: "a"}).HashKey(): 1,
-		(object.String{Value: "b"}).HashKey(): 2,
+		(object.String{Value: "a"}).Hash(): 1,
+		(object.String{Value: "b"}).Hash(): 2,
 	}
 
 	if len(result.Pairs) != len(expected) {