effect-io-ai

Package: effect
Module: Effect

Effect.updateService

Updates a service in the context with a new implementation.

Details

This function modifies the existing implementation of a service in the context. It retrieves the current service, applies the provided transformation function f, and replaces the old service with the transformed one.

When to Use

This is useful for adapting or extending a service’s behavior during the execution of an effect.

Signature

declare const updateService: { <I, S>(tag: Context.Tag<I, S>, f: (service: NoInfer<S>) => NoInfer<S>): <A, E, R>(self: Effect<A, E, R>) => Effect<A, E, R | I>; <A, E, R, I, S>(self: Effect<A, E, R>, tag: Context.Tag<I, S>, f: (service: NoInfer<S>) => NoInfer<S>): Effect<A, E, R | I>; }

Source

Since v2.0.0