rearrange builtins

object/closure.go

@@ -0,0 +1,37 @@
+package object
+
+import (
+	"fmt"
+	"monkey/code"
+)
+
+type CompiledFunction struct {
+	Instructions  code.Instructions
+	NumLocals     int
+	NumParameters int
+}
+
+func (cf *CompiledFunction) Type() ObjectType {
+	return COMPILED_FUNCTION_OBJ
+}
+func (cf *CompiledFunction) Inspect() string {
+	return fmt.Sprintf("CompiledFunction[%p]", cf)
+}
+func (cf *CompiledFunction) String() string {
+	return cf.Inspect()
+}
+
+type Closure struct {
+	Fn   *CompiledFunction
+	Free []Object
+}
+
+func (c *Closure) Type() ObjectType {
+	return CLOSURE_OBJ
+}
+func (c *Closure) Inspect() string {
+	return fmt.Sprintf("Closure[%p]", c)
+}
+func (c *Closure) String() string {
+	return c.Inspect()
+}