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_node_modules/effect/dist/dts/RcRef.d.ts

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+/**
+ * @since 3.5.0
+ */
+import type * as Duration from "./Duration.js";
+import type * as Effect from "./Effect.js";
+import type * as Readable from "./Readable.js";
+import type * as Scope from "./Scope.js";
+import type * as Types from "./Types.js";
+import type * as Unify from "./Unify.js";
+/**
+ * @since 3.5.0
+ * @category type ids
+ */
+export declare const TypeId: unique symbol;
+/**
+ * @since 3.5.0
+ * @category type ids
+ */
+export type TypeId = typeof TypeId;
+/**
+ * @since 3.5.0
+ * @category models
+ */
+export interface RcRef<out A, out E = never> extends Effect.Effect<A, E, Scope.Scope>, Readable.Readable<A, E, Scope.Scope> {
+    readonly [TypeId]: RcRef.Variance<A, E>;
+    readonly [Unify.typeSymbol]?: unknown;
+    readonly [Unify.unifySymbol]?: RcRefUnify<this>;
+    readonly [Unify.ignoreSymbol]?: RcRefUnifyIgnore;
+}
+/**
+ * @category models
+ * @since 3.8.0
+ */
+export interface RcRefUnify<A extends {
+    [Unify.typeSymbol]?: any;
+}> extends Effect.EffectUnify<A> {
+    RcRef?: () => A[Unify.typeSymbol] extends RcRef<infer A0, infer E0> | infer _ ? RcRef<A0, E0> : never;
+}
+/**
+ * @category models
+ * @since 3.8.0
+ */
+export interface RcRefUnifyIgnore extends Effect.EffectUnifyIgnore {
+    Effect?: true;
+}
+/**
+ * @since 3.5.0
+ * @category models
+ */
+export declare namespace RcRef {
+    /**
+     * @since 3.5.0
+     * @category models
+     */
+    interface Variance<A, E> {
+        readonly _A: Types.Covariant<A>;
+        readonly _E: Types.Covariant<E>;
+    }
+}
+/**
+ * Create an `RcRef` from an acquire `Effect`.
+ *
+ * An RcRef wraps a reference counted resource that can be acquired and released
+ * multiple times.
+ *
+ * The resource is lazily acquired on the first call to `get` and released when
+ * the last reference is released.
+ *
+ * @since 3.5.0
+ * @category constructors
+ * @example
+ * ```ts
+ * import { Effect, RcRef } from "effect"
+ *
+ * Effect.gen(function*() {
+ *   const ref = yield* RcRef.make({
+ *     acquire: Effect.acquireRelease(
+ *       Effect.succeed("foo"),
+ *       () => Effect.log("release foo")
+ *     )
+ *   })
+ *
+ *   // will only acquire the resource once, and release it
+ *   // when the scope is closed
+ *   yield* RcRef.get(ref).pipe(
+ *     Effect.andThen(RcRef.get(ref)),
+ *     Effect.scoped
+ *   )
+ * })
+ * ```
+ */
+export declare const make: <A, E, R>(options: {
+    readonly acquire: Effect.Effect<A, E, R>;
+    /**
+     * When the reference count reaches zero, the resource will be released
+     * after this duration.
+     */
+    readonly idleTimeToLive?: Duration.DurationInput | undefined;
+}) => Effect.Effect<RcRef<A, E>, never, R | Scope.Scope>;
+/**
+ * @since 3.5.0
+ * @category combinators
+ */
+export declare const get: <A, E>(self: RcRef<A, E>) => Effect.Effect<A, E, Scope.Scope>;
+//# sourceMappingURL=RcRef.d.ts.map