diff options
Diffstat (limited to 'test/typeparam/issue48016.go')
-rw-r--r-- | test/typeparam/issue48016.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/typeparam/issue48016.go b/test/typeparam/issue48016.go new file mode 100644 index 0000000..dbc87ec --- /dev/null +++ b/test/typeparam/issue48016.go @@ -0,0 +1,35 @@ +// 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 + +import ( + "fmt" + "strconv" +) + +func test1[T any](fn func(T) int, v T) int { + fn1 := func() int { + var i interface{} = v + val := fn(i.(T)) + return val + } + return fn1() +} + +func main() { + want := 123 + got := test1(func(s string) int { + r, err := strconv.Atoi(s) + if err != nil { + return 0 + } + return r + }, "123") + if got != want { + panic(fmt.Sprintf("got %f, want %f", got, want)) + } +} |