2021-12-13 20:42:38 +00:00
|
|
|
// 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 a
|
|
|
|
|
|
|
|
import (
|
|
|
|
"math/rand"
|
|
|
|
)
|
|
|
|
|
2022-02-02 21:22:18 +00:00
|
|
|
type Integer interface {
|
|
|
|
~int | ~int8 | ~int16 | ~int32 | ~int64 |
|
|
|
|
~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
|
|
|
|
}
|
|
|
|
|
|
|
|
type Builder[T Integer] struct{}
|
2021-12-13 20:42:38 +00:00
|
|
|
|
|
|
|
func (r Builder[T]) New() T {
|
|
|
|
return T(rand.Int())
|
|
|
|
}
|
|
|
|
|
|
|
|
var IntBuilder = Builder[int]{}
|
|
|
|
|
|
|
|
func BuildInt() int {
|
|
|
|
return IntBuilder.New()
|
|
|
|
}
|