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Viewing / Editing File: Resource.d.ts

/**
 * @since 2.0.0
 */
import type * as Effect from "./Effect.js";
import type * as Schedule from "./Schedule.js";
import type * as Scope from "./Scope.js";
import type * as Types from "./Types.js";
import type * as Unify from "./Unify.js";
/**
 * @since 2.0.0
 * @category symbols
 */
export declare const ResourceTypeId: unique symbol;
/**
 * @since 2.0.0
 * @category symbols
 */
export type ResourceTypeId = typeof ResourceTypeId;
/**
 * A `Resource` is a possibly resourceful value that is loaded into memory, and
 * which can be refreshed either manually or automatically.
 *
 * @since 2.0.0
 * @category models
 */
export interface Resource<in out A, in out E = never> extends Effect.Effect<A, E>, Resource.Variance<A, E> {
    readonly [Unify.typeSymbol]?: unknown;
    readonly [Unify.unifySymbol]?: ResourceUnify<this>;
    readonly [Unify.ignoreSymbol]?: ResourceUnifyIgnore;
}
/**
 * @category models
 * @since 3.9.0
 */
export interface ResourceUnify<A extends {
    [Unify.typeSymbol]?: any;
}> extends Effect.EffectUnify<A> {
    Resource?: () => Extract<A[Unify.typeSymbol], Resource<any, any>>;
}
/**
 * @category models
 * @since 3.9.0
 */
export interface ResourceUnifyIgnore extends Effect.EffectUnifyIgnore {
    Effect?: true;
}
/**
 * @since 2.0.0
 */
export declare namespace Resource {
    /**
     * @since 2.0.0
     * @category models
     */
    interface Variance<in out A, in out E> {
        readonly [ResourceTypeId]: {
            _A: Types.Invariant<A>;
            _E: Types.Invariant<E>;
        };
    }
}
/**
 * Creates a new `Resource` value that is automatically refreshed according to
 * the specified policy. Note that error retrying is not performed
 * automatically, so if you want to retry on errors, you should first apply
 * retry policies to the acquisition effect before passing it to this
 * constructor.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const auto: <A, E, R, Out, R2>(acquire: Effect.Effect<A, E, R>, policy: Schedule.Schedule<Out, unknown, R2>) => Effect.Effect<Resource<A, E>, never, R | R2 | Scope.Scope>;
/**
 * Retrieves the current value stored in the cache.
 *
 * @since 2.0.0
 * @category getters
 */
export declare const get: <A, E>(self: Resource<A, E>) => Effect.Effect<A, E>;
/**
 * Creates a new `Resource` value that must be manually refreshed by calling
 * the refresh method. Note that error retrying is not performed
 * automatically, so if you want to retry on errors, you should first apply
 * retry policies to the acquisition effect before passing it to this
 * constructor.
 *
 * @since 2.0.0
 * @category constructors
 */
export declare const manual: <A, E, R>(acquire: Effect.Effect<A, E, R>) => Effect.Effect<Resource<A, E>, never, Scope.Scope | R>;
/**
 * Refreshes the cache. This method will not return until either the refresh
 * is successful, or the refresh operation fails.
 *
 * @since 2.0.0
 * @category utils
 */
export declare const refresh: <A, E>(self: Resource<A, E>) => Effect.Effect<void, E>;
//# sourceMappingURL=Resource.d.ts.map

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