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Diffstat (limited to '')
-rw-r--r-- | test/typeparam/interfacearg.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/typeparam/interfacearg.go b/test/typeparam/interfacearg.go new file mode 100644 index 0000000..0e1fd00 --- /dev/null +++ b/test/typeparam/interfacearg.go @@ -0,0 +1,46 @@ +// run + +// Copyright 2021 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. + +package main + +type I interface{} + +type _S[T any] struct { + x *T +} + +// F is a non-generic function, but has a type _S[I] which is instantiated from a +// generic type. Test that _S[I] is successfully exported. +func F() { + v := _S[I]{} + if v.x != nil { + panic(v) + } +} + +// Testing the various combinations of method expressions. +type S1 struct{} + +func (*S1) M() {} + +type S2 struct{} + +func (S2) M() {} + +func _F1[T interface{ M() }](t T) { + _ = T.M +} + +func F2() { + _F1(&S1{}) + _F1(S2{}) + _F1(&S2{}) +} + +func main() { + F() + F2() +} |