// 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" ) type Integer interface { ~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr } type Builder[T Integer] struct{} func (r Builder[T]) New() T { return T(rand.Int()) } var IntBuilder = Builder[int]{} func BuildInt() int { return IntBuilder.New() }