rearrange builtins

object/int.go

@@ -0,0 +1,26 @@
+package object
+
+import "fmt"
+
+type Integer struct {
+	Value int64
+}
+
+func (i *Integer) Type() ObjectType {
+	return INTEGER_OBJ
+}
+func (i *Integer) Inspect() string {
+	return fmt.Sprintf("%d", i.Value)
+}
+func (i *Integer) Clone() Object {
+	return &Integer{Value: i.Value}
+}
+func (i *Integer) String() string {
+	return i.Inspect()
+}
+func (i *Integer) Equal(other Object) bool {
+	if obj, ok := other.(*Integer); ok {
+		return i.Value == obj.Value
+	}
+	return false
+}