// errorcheck // Copyright 2018 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. // Test that we type-check deferred/go functions even // if they are not called (a common error). Specifically, // we don't want to see errors such as import or variable // declared and not used. package p import ( "fmt" "math" ) func f() { var i int defer func() { fmt.Println() } // ERROR "must be function call" go func() { _ = math.Sin(0) } // ERROR "must be function call" go func() { _ = i} // ERROR "must be function call" }