| // Copyright 2016 The LUCI Authors. |
| // |
| // 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 parallel |
| |
| // Must can be used to consume the channel from Run. It asserts that none of |
| // the functions run return an error. If one returns non-nil, this will panic |
| // with the first error encountered (which may cause the channel to remain open |
| // and unprocessed, blocking other tasks). |
| func Must(ch <-chan error) { |
| for err := range ch { |
| if err != nil { |
| panic(err) |
| } |
| } |
| } |
| |
| // Ignore can be used to consume the channel from Run. It blocks on all errors |
| // in the channel and discards them. |
| func Ignore(ch <-chan error) { |
| for range ch { |
| } |
| } |