mirror of
https://github.com/golang/go
synced 2024-11-08 19:06:26 -07:00
39 lines
837 B
Go
39 lines
837 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 fromStrings3[T any](s []string, set func(*T, string)) []T {
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results := make([]T, len(s))
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for i, v := range s {
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set(&results[i], v)
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}
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return results
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}
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type Settable int
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func (p *Settable) Set(s string) {
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i, err := strconv.Atoi(s)
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if err != nil {
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panic(err)
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}
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*p = Settable(i)
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}
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func main() {
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s := fromStrings3([]string{"1"},
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func(p *Settable, s string) { p.Set(s) })
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if len(s) != 1 || s[0] != 1 {
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panic(fmt.Sprintf("got %v, want %v", s, []int{1}))
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}
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}
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