veffect/node_modules/effect/dist/esm/Pool.js

powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha

import * as internal from "./internal/pool.js";
/**
 * @since 2.0.0
 * @category symbols
 */
export const PoolTypeId = internal.PoolTypeId;
/**
 * Returns `true` if the specified value is a `Pool`, `false` otherwise.
 *
 * @since 2.0.0
 * @category refinements
 */
export const isPool = internal.isPool;
/**
 * Makes a new pool of the specified fixed size. The pool is returned in a
 * `Scope`, which governs the lifetime of the pool. When the pool is shutdown
 * because the `Scope` is closed, the individual items allocated by the pool
 * will be released in some unspecified order.
 *
 * @since 2.0.0
 * @category constructors
 */
export const make = internal.make;
/**
 * Makes a new pool with the specified minimum and maximum sizes and time to
 * live before a pool whose excess items are not being used will be shrunk
 * down to the minimum size. The pool is returned in a `Scope`, which governs
 * the lifetime of the pool. When the pool is shutdown because the `Scope` is
 * used, the individual items allocated by the pool will be released in some
 * unspecified order.
 *
 * ```ts
 * import { createConnection } from "mysql2";
 * import { Duration, Effect, Pool } from "effect"
 *
 * const acquireDBConnection = Effect.acquireRelease(
 *   Effect.sync(() => createConnection('mysql://...')),
 *   (connection) => Effect.sync(() => connection.end(() => {})),
 * )
 *
 * const connectionPool = Effect.flatMap(
 *  Pool.makeWithTTL({
 *     acquire: acquireDBConnection,
 *     min: 10,
 *     max: 20,
 *     timeToLive: Duration.seconds(60)
 *   }),
 *   (pool) => pool.get
 * )
 * ```
 *
 * @since 2.0.0
 * @category constructors
 */
export const makeWithTTL = internal.makeWithTTL;
/**
 * Retrieves an item from the pool in a scoped effect. Note that if
 * acquisition fails, then the returned effect will fail for that same reason.
 * Retrying a failed acquisition attempt will repeat the acquisition attempt.
 *
 * @since 2.0.0
 * @category getters
 */
export const get = internal.get;
/**
 * Invalidates the specified item. This will cause the pool to eventually
 * reallocate the item, although this reallocation may occur lazily rather
 * than eagerly.
 *
 * @since 2.0.0
 * @category combinators
 */
export const invalidate = internal.invalidate;
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