diff options
Diffstat (limited to 'test/typeparam/issue39755.go')
-rw-r--r-- | test/typeparam/issue39755.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/typeparam/issue39755.go b/test/typeparam/issue39755.go new file mode 100644 index 0000000000..13a575d16f --- /dev/null +++ b/test/typeparam/issue39755.go @@ -0,0 +1,27 @@ +// compile -G=3 + +// Copyright 2020 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. + +// copied from cmd/compile/internal/types2/testdata/fixedbugs/issue39755.go + +package p + +func _[T interface{~map[string]int}](x T) { + _ = x == nil +} + +// simplified test case from issue + +type PathParamsConstraint interface { + ~map[string]string | ~[]struct{key, value string} +} + +type PathParams[T PathParamsConstraint] struct { + t T +} + +func (pp *PathParams[T]) IsNil() bool { + return pp.t == nil // this must succeed +} |