mirror of
https://github.com/golang/go
synced 2024-11-17 19:44:43 -07:00
36 lines
588 B
Go
36 lines
588 B
Go
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// run -gcflags=-G=3
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"strconv"
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)
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func test1[T any](fn func(T) int, v T) int {
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fn1 := func() int {
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var i interface{} = v
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val := fn(i.(T))
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return val
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}
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return fn1()
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}
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func main() {
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want := 123
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got := test1(func(s string) int {
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r, err := strconv.Atoi(s)
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if err != nil {
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return 0
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}
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return r
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}, "123")
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if got != want {
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panic(fmt.Sprintf("got %f, want %f", got, want))
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}
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}
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