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// Copyright (C) 2022-2023 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package typedsync
import (
"sync"
)
// Pool is a type-safe equivalent of the standard library's sync.Pool.
//
// See the [sync.Pool documentation] for full details.
//
// [sync.Pool documentation]: https://pkg.go.dev/sync#Pool
type Pool[T any] struct {
New func() T
inner sync.Pool
}
func (p *Pool[T]) Get() (val T, ok bool) {
_val := p.inner.Get()
switch {
case _val != nil:
//nolint:forcetypeassert // Typed wrapper around untyped lib.
return _val.(T), true
case p.New != nil:
return p.New(), true
default:
var zero T
return zero, false
}
}
func (p *Pool[T]) Put(val T) {
p.inner.Put(val)
}
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