spoofgoget/cached.go

/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
package main

import "time"

func NewCached[T any](
	value *T,
	lifetime time.Duration,
) Cached[T] {
	return Cached[T]{
		value:  value,
		expiry: time.Now().UTC().Add(lifetime),
	}
}

type Cached[T any] struct {
	value  *T
	expiry time.Time
}

func (c *Cached[T]) Value() *T {
	return c.value
}

func (c *Cached[T]) Expired() bool {
	return c.expiry.Before(time.Now().UTC())
}