1 // errorcheck -0 -d=typeassert 2 3 // Copyright 2015 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 package p 8 9 func assertptr(x interface{}) *int { 10 return x.(*int) // ERROR "type assertion inlined" 11 } 12 13 func assertptr2(x interface{}) (*int, bool) { 14 z, ok := x.(*int) // ERROR "type assertion inlined" 15 return z, ok 16 } 17 18 func assertfunc(x interface{}) func() { 19 return x.(func()) // ERROR "type assertion inlined" 20 } 21 22 func assertfunc2(x interface{}) (func(), bool) { 23 z, ok := x.(func()) // ERROR "type assertion inlined" 24 return z, ok 25 } 26 27 // TODO(rsc): struct{*int} is stored directly in the interface 28 // and should be possible to fetch back out of the interface, 29 // but more of the general data movement code needs to 30 // realize that before we can inline the assertion. 31 32 func assertstruct(x interface{}) struct{ *int } { 33 return x.(struct{ *int }) // ERROR "type assertion not inlined" 34 } 35 36 func assertstruct2(x interface{}) (struct{ *int }, bool) { 37 z, ok := x.(struct{ *int }) // ERROR "type assertion not inlined" 38 return z, ok 39 } 40 41 func assertbig(x interface{}) complex128 { 42 return x.(complex128) // ERROR "type assertion not inlined" 43 } 44 45 func assertbig2(x interface{}) (complex128, bool) { 46 z, ok := x.(complex128) // ERROR "type assertion not inlined" 47 return z, ok 48 } 49 50 func assertbig2ok(x interface{}) (complex128, bool) { 51 _, ok := x.(complex128) // ERROR "type assertion [(]ok only[)] inlined" 52 return 0, ok 53 } 54
