| // run -gcflags=-G=3 | |
| // 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" | |
| func main() { | |
| IsZero[interface{}]("") | |
| } | |
| func IsZero[T comparable](val T) bool { | |
| var zero T | |
| fmt.Printf("%v:%v\n", zero, val) | |
| return val != zero | |
| } |