46 lines
2 KiB
Go
46 lines
2 KiB
Go
// Copyright 2016-2017, Pulumi Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package contract
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import (
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"io"
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"github.com/golang/glog"
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)
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// Ignore explicitly ignores a value. This is similar to `_ = x`, but tells linters ignoring is intentional.
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func Ignore(v interface{}) {
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// Log something at a VERY verbose level just in case it helps to track down issues (e.g., an error that was
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// ignored that represents something even more egregious than the eventual failure mode). If this truly matters, it
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// probably implies the ignore was not appropriate, but as a safeguard, logging seems useful.
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glog.V(11).Infof("Explicitly ignoring and discarding result: %v", v)
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}
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// IgnoreClose closes and ignores the returned error. This makes defer closes easier.
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func IgnoreClose(cr io.Closer) {
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err := cr.Close()
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IgnoreError(err)
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}
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// IgnoreError explicitly ignores an error. This is similar to `_ = x`, but tells linters ignoring is intentional.
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// This routine is specifically for ignoring errors which is potentially more risky, and so logs at a higher level.
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func IgnoreError(err error) {
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// Log something at a verbose level just in case it helps to track down issues (e.g., an error that was
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// ignored that represents something even more egregious than the eventual failure mode). If this truly matters, it
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// probably implies the ignore was not appropriate, but as a safeguard, logging seems useful.
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if err != nil {
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glog.V(3).Infof("Explicitly ignoring and discarding error: %v", err)
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}
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}
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