| // Copyright 2015 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| // |
| //go:build go1.18 |
| |
| package typeparams |
| |
| import ( |
| "bytes" |
| "errors" |
| "fmt" |
| "typeparams/userdefs" |
| ) |
| |
| func _[T any]() { |
| fmt.Errorf("") // want "result of fmt.Errorf call not used" |
| _ = fmt.Errorf("") |
| |
| errors.New("") // want "result of errors.New call not used" |
| |
| err := errors.New("") |
| err.Error() // want `result of \(error\).Error call not used` |
| |
| var buf bytes.Buffer |
| buf.String() // want `result of \(bytes.Buffer\).String call not used` |
| |
| fmt.Sprint("") // want "result of fmt.Sprint call not used" |
| fmt.Sprintf("") // want "result of fmt.Sprintf call not used" |
| |
| userdefs.MustUse[int](1) // want "result of typeparams/userdefs.MustUse call not used" |
| _ = userdefs.MustUse[int](2) |
| |
| s := userdefs.SingleTypeParam[int]{X: 1} |
| s.String() // want `result of \(typeparams/userdefs.SingleTypeParam\[int\]\).String call not used` |
| _ = s.String() |
| |
| m := userdefs.MultiTypeParam[int, string]{X: 1, Y: "one"} |
| m.String() // want `result of \(typeparams/userdefs.MultiTypeParam\[int, string\]\).String call not used` |
| _ = m.String() |
| } |