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Russ Cox4224d812015-03-20 00:06:10 -04001// errorcheck -0 -d=typeassert
2
Emmanuel Odeke53fd5222016-04-10 14:32:26 -07003// Copyright 2015 The Go Authors. All rights reserved.
Russ Cox4224d812015-03-20 00:06:10 -04004// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package p
8
9func assertptr(x interface{}) *int {
10 return x.(*int) // ERROR "type assertion inlined"
11}
12
13func assertptr2(x interface{}) (*int, bool) {
14 z, ok := x.(*int) // ERROR "type assertion inlined"
15 return z, ok
16}
17
18func assertfunc(x interface{}) func() {
19 return x.(func()) // ERROR "type assertion inlined"
20}
21
22func assertfunc2(x interface{}) (func(), bool) {
23 z, ok := x.(func()) // ERROR "type assertion inlined"
24 return z, ok
25}
26
Russ Cox4224d812015-03-20 00:06:10 -040027func assertstruct(x interface{}) struct{ *int } {
Keith Randall688995d2016-10-28 11:37:45 -070028 return x.(struct{ *int }) // ERROR "type assertion inlined"
Russ Cox4224d812015-03-20 00:06:10 -040029}
30
31func assertstruct2(x interface{}) (struct{ *int }, bool) {
Keith Randall688995d2016-10-28 11:37:45 -070032 z, ok := x.(struct{ *int }) // ERROR "type assertion inlined"
Russ Cox4224d812015-03-20 00:06:10 -040033 return z, ok
34}
35
36func assertbig(x interface{}) complex128 {
Keith Randall688995d2016-10-28 11:37:45 -070037 return x.(complex128) // ERROR "type assertion inlined"
Russ Cox4224d812015-03-20 00:06:10 -040038}
39
40func assertbig2(x interface{}) (complex128, bool) {
Keith Randall688995d2016-10-28 11:37:45 -070041 z, ok := x.(complex128) // ERROR "type assertion inlined"
Russ Cox4224d812015-03-20 00:06:10 -040042 return z, ok
43}
44
45func assertbig2ok(x interface{}) (complex128, bool) {
Keith Randall688995d2016-10-28 11:37:45 -070046 _, ok := x.(complex128) // ERROR "type assertion inlined"
Russ Cox4224d812015-03-20 00:06:10 -040047 return 0, ok
48}
Josh Bleecher Snyder615a52b2016-06-06 12:38:19 -070049
50func assertslice(x interface{}) []int {
Keith Randall688995d2016-10-28 11:37:45 -070051 return x.([]int) // ERROR "type assertion inlined"
Josh Bleecher Snyder615a52b2016-06-06 12:38:19 -070052}
53
54func assertslice2(x interface{}) ([]int, bool) {
Keith Randall688995d2016-10-28 11:37:45 -070055 z, ok := x.([]int) // ERROR "type assertion inlined"
Josh Bleecher Snyder615a52b2016-06-06 12:38:19 -070056 return z, ok
57}
58
59func assertslice2ok(x interface{}) ([]int, bool) {
Keith Randall688995d2016-10-28 11:37:45 -070060 _, ok := x.([]int) // ERROR "type assertion inlined"
Josh Bleecher Snyder615a52b2016-06-06 12:38:19 -070061 return nil, ok
62}
Keith Randall688995d2016-10-28 11:37:45 -070063
64type I interface {
65 foo()
66}
67
68func assertInter(x interface{}) I {
69 return x.(I) // ERROR "type assertion not inlined"
70}
71func assertInter2(x interface{}) (I, bool) {
72 z, ok := x.(I) // ERROR "type assertion not inlined"
73 return z, ok
74}