return string instead of empty

AvicennaJr · AvicennaJr · commit 03b5aa999a41 · 2023-04-01T23:10:42.000+03:00
diff --git a/evaluator/builtins.go b/evaluator/builtins.go
@@ -49,7 +49,7 @@ var builtins = map[string]*object.Builtin{
 					arr = append(arr, arg.Inspect())
 				}
 				str := strings.Join(arr, " ")
-				print(str + "\n")
+				return &object.String{Value: str}
 			}
 			return nil
 		},

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ var builtins = map[string]*object.Builtin{`
`49`	`49`	`arr = append(arr, arg.Inspect())`
`50`	`50`	`}`
`51`	`51`	`str := strings.Join(arr, " ")`
`52`		`- print(str + "\n")`
	`52`	`+ return &object.String{Value: str}`
`53`	`53`	`}`
`54`	`54`	`return nil`
`55`	`55`	`},`