| // 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 | |
| type Map[K comparable, V any] struct { | |
| m map[K]V | |
| } | |
| func NewMap[K comparable, V any]() Map[K, V] { | |
| return Map[K, V]{m: map[K]V{}} | |
| } | |
| func (m Map[K, V]) Get(key K) V { | |
| return m.m[key] | |
| } | |
| func main() { | |
| _ = NewMap[int, struct{}]() | |
| } |