<A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>
<A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>Updates the current value atomically with a function and returns the previous value, serialized by the ref's semaphore.
When to use
Use to run a pure SynchronizedRef state update when the previous stored
value is also needed.
export const const getAndUpdate: {
<A>(f: (a: A) => A): (
self: SynchronizedRef<A>
) => Effect.Effect<A>
<A>(
self: SynchronizedRef<A>,
f: (a: A) => A
): Effect.Effect<A>
}
Updates the current value atomically with a function and returns the previous
value, serialized by the ref's semaphore.
When to use
Use to run a pure SynchronizedRef state update when the previous stored
value is also needed.
getAndUpdate: {
<function (type parameter) A in <A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>A>(f: (a: A) => Af: (a: Aa: function (type parameter) A in <A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>A) => function (type parameter) A in <A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>A): (self: SynchronizedRef<A>(parameter) self: {
backing: Ref.Ref<A>;
semaphore: Semaphore.Semaphore;
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
interface SynchronizedRef<in out A>A mutable reference whose update and modify operations are serialized with an
internal semaphore, including effectful transformations.
When to use
Use when shared state may be updated by multiple fibers and each update,
including effectful state transitions, must observe one current value and run
one at a time.
SynchronizedRef<function (type parameter) A in <A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>A>) => import EffectEffect.type Effect.Effect = /*unresolved*/ anyEffect<function (type parameter) A in <A>(f: (a: A) => A): (self: SynchronizedRef<A>) => Effect.Effect<A>A>
<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A>(self: SynchronizedRef<A>(parameter) self: {
backing: Ref.Ref<A>;
semaphore: Semaphore.Semaphore;
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
interface SynchronizedRef<in out A>A mutable reference whose update and modify operations are serialized with an
internal semaphore, including effectful transformations.
When to use
Use when shared state may be updated by multiple fibers and each update,
including effectful state transitions, must observe one current value and run
one at a time.
SynchronizedRef<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A>, f: (a: A) => Af: (a: Aa: function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A) => function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A): import EffectEffect.type Effect.Effect = /*unresolved*/ anyEffect<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A>
} = import dualdual(
2,
<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A>(self: SynchronizedRef<A>(parameter) self: {
backing: Ref.Ref<A>;
semaphore: Semaphore.Semaphore;
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
interface SynchronizedRef<in out A>A mutable reference whose update and modify operations are serialized with an
internal semaphore, including effectful transformations.
When to use
Use when shared state may be updated by multiple fibers and each update,
including effectful state transitions, must observe one current value and run
one at a time.
SynchronizedRef<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A>, f: (a: A) => Af: (a: Aa: function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A) => function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A): import EffectEffect.type Effect.Effect = /*unresolved*/ anyEffect<function (type parameter) A in <A>(self: SynchronizedRef<A>, f: (a: A) => A): Effect.Effect<A>A> =>
self: SynchronizedRef<A>(parameter) self: {
backing: Ref.Ref<A>;
semaphore: Semaphore.Semaphore;
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
SynchronizedRef<in out A>.semaphore: Semaphore.Semaphore(property) SynchronizedRef<in out A>.semaphore: {
resize: (this: Semaphore, permits: number) => Effect.Effect<void>;
withPermits: (this: Semaphore, permits: number) => <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>;
withPermit: <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<A, E, R>;
withPermitsIfAvailable: (this: Semaphore, permits: number) => <A, E, R>(self: Effect.Effect<A, E, R>) => Effect.Effect<Option.Option<A>, E, R>;
take: (this: Semaphore, permits: number) => Effect.Effect<number>;
release: (this: Semaphore, permits: number) => Effect.Effect<number>;
releaseAll: Effect.Effect<number>;
}
import RefRef.getAndUpdate(self: SynchronizedRef<A>(parameter) self: {
backing: Ref.Ref<A>;
semaphore: Semaphore.Semaphore;
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
SynchronizedRef<in out A>.backing: Ref.Ref<A>(property) SynchronizedRef<in out A>.backing: {
ref: MutableRef.MutableRef<A>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
f: (a: A) => Af))
)