文件操作 - adder.go
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文件: /usr/share/go-1.23/test/typeparam/adder.go
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// 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" ) type AddType interface { int | int64 | string } // Add can add numbers or strings func Add[T AddType](a, b T) T { return a + b } func main() { if got, want := Add(5, 3), 8; got != want { panic(fmt.Sprintf("got %d, want %d", got, want)) } if got, want := Add("ab", "cd"), "abcd"; got != want { panic(fmt.Sprintf("got %d, want %d", got, want)) } }
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