1 // Copyright 2023 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Package unusedresult defines an analyzer that checks for unused 6 // results of calls to certain pure functions. 7 // 8 // # Analyzer unusedresult 9 // 10 // unusedresult: check for unused results of calls to some functions 11 // 12 // Some functions like fmt.Errorf return a result and have no side 13 // effects, so it is always a mistake to discard the result. Other 14 // functions may return an error that must not be ignored, or a cleanup 15 // operation that must be called. This analyzer reports calls to 16 // functions like these when the result of the call is ignored. 17 // 18 // The set of functions may be controlled using flags. 19 package unusedresult 20