diff options
Diffstat (limited to 'test/typeparam/typeswitch5.go')
-rw-r--r-- | test/typeparam/typeswitch5.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/typeparam/typeswitch5.go b/test/typeparam/typeswitch5.go new file mode 100644 index 0000000..ac52adb --- /dev/null +++ b/test/typeparam/typeswitch5.go @@ -0,0 +1,28 @@ +// 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 myint int +func (x myint) foo() int {return int(x)} + +type myfloat float64 +func (x myfloat) foo() float64 {return float64(x) } + +func f[T any](i interface{}) { + switch x := i.(type) { + case interface { foo() T }: + println("fooer", x.foo()) + default: + println("other") + } +} +func main() { + f[int](myint(6)) + f[int](myfloat(7)) + f[float64](myint(8)) + f[float64](myfloat(9)) +} |