rearrange builtins

compiler/compiler.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"monkey/ast"
+	"monkey/builtins"
 	"monkey/code"
 	"monkey/object"
 	"sort"
@@ -42,7 +43,7 @@ func New() *Compiler {
 
 	symbolTable := NewSymbolTable()
 
-	for i, builtin := range object.BuiltinsIndex {
+	for i, builtin := range builtins.BuiltinsIndex {
 		symbolTable.DefineBuiltin(i, builtin.Name)
 	}
 

compiler/compiler_test.go

@@ -879,11 +879,11 @@ func TestBuiltins(t *testing.T) {
             `,
 			expectedConstants: []interface{}{1},
 			expectedInstructions: []code.Instructions{
-				code.Make(code.OpGetBuiltin, 10),
+				code.Make(code.OpGetBuiltin, 11),
 				code.Make(code.OpArray, 0),
 				code.Make(code.OpCall, 1),
 				code.Make(code.OpPop),
-				code.Make(code.OpGetBuiltin, 14),
+				code.Make(code.OpGetBuiltin, 15),
 				code.Make(code.OpArray, 0),
 				code.Make(code.OpConstant, 0),
 				code.Make(code.OpCall, 2),
@@ -894,7 +894,7 @@ func TestBuiltins(t *testing.T) {
 			input: `fn() { return len([]) }`,
 			expectedConstants: []interface{}{
 				[]code.Instructions{
-					code.Make(code.OpGetBuiltin, 10),
+					code.Make(code.OpGetBuiltin, 11),
 					code.Make(code.OpArray, 0),
 					code.Make(code.OpCall, 1),
 					code.Make(code.OpReturn),