Editando: issue48016.go
// 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)) } }
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