| // Copyright 2015 Google Inc. All rights reserved |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package main |
| |
| var symtab = make(map[string]string) |
| |
| func intern(s string) string { |
| if v, ok := symtab[s]; ok { |
| return v |
| } |
| symtab[s] = s |
| return s |
| } |
| |
| func internBytes(s []byte) string { |
| return intern(string(s)) |
| } |
