| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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 log |
| |
| // Nop is an implementation of Logger interface that does nothing for Info, Warning, Error and Flush. |
| // Enter and Fork both return Nops. |
| type Nop struct{} |
| |
| // Log does nothing |
| func (Nop) log(s Severity, msg string, args ...interface{}) {} |
| |
| // enter returns the same Nop implementation of Logger |
| func (Nop) enter(name string) Logger { return Nop{} } |
| |
| // fork returns the same Nop implementation of Logger |
| func (Nop) fork() Logger { return Nop{} } |
| |
| // close does nothing |
| func (Nop) close() {} |