1 // Code generated by "go test -run=Generate -write=all"; DO NOT EDIT. 2 3 // Copyright 2013 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // This file implements objsets. 8 // 9 // An objset is similar to a Scope but objset elements 10 // are identified by their unique id, instead of their 11 // object name. 12 13 package types 14 15 // An objset is a set of objects identified by their unique id. 16 // The zero value for objset is a ready-to-use empty objset. 17 type objset map[string]Object // initialized lazily 18 19 // insert attempts to insert an object obj into objset s. 20 // If s already contains an alternative object alt with 21 // the same name, insert leaves s unchanged and returns alt. 22 // Otherwise it inserts obj and returns nil. 23 func (s *objset) insert(obj Object) Object { 24 id := obj.Id() 25 if alt := (*s)[id]; alt != nil { 26 return alt 27 } 28 if *s == nil { 29 *s = make(map[string]Object) 30 } 31 (*s)[id] = obj 32 return nil 33 } 34