// Code generated by "go test -run=Generate -write=all"; DO NOT EDIT.

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file implements objsets.
//
// An objset is similar to a Scope but objset elements
// are identified by their unique id, instead of their
// object name.

package types

// An objset is a set of objects identified by their unique id.
// The zero value for objset is a ready-to-use empty objset.
type objset map[string]Object // initialized lazily

// insert attempts to insert an object obj into objset s.
// If s already contains an alternative object alt with
// the same name, insert leaves s unchanged and returns alt.
// Otherwise it inserts obj and returns nil.
func ( *objset) ( Object) Object {
	 := .Id()
	if  := (*)[];  != nil {
		return 
	}
	if * == nil {
		* = make(map[string]Object)
	}
	(*)[] = 
	return nil
}