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- /*
- Copyright (c) 2014 VMware, 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 progress
- // Sinker defines what is expected of a type that can act as a sink for
- // progress reports. The semantics are as follows. If you call Sink(), you are
- // responsible for closing the returned channel. Closing this channel means
- // that the related task is done, or resulted in error.
- type Sinker interface {
- Sink() chan<- Report
- }
- // SinkFunc defines a function that returns a progress report channel.
- type SinkFunc func() chan<- Report
- // Sink makes the SinkFunc implement the Sinker interface.
- func (fn SinkFunc) Sink() chan<- Report {
- return fn()
- }
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