4 replies

Extending Effect.when to using real predicate

I am trying to use Effect.when and notice the predicate is not a predicate but a lazyArg<boolean>. So the conditon cannot bear on the contents of the Effect. Do you think it would make sense to extend it in this manner:

export const when: {
  (predicate: Predicate<A>): <R, E, A>(self: Effect<R, E, A>) => Effect<R, E, Option.Option<A>>
  <R, E, A>(self: Effect<R, E, A>, predicate: Predicate<A>): Effect<R, E, Option.Option<A>>
}

export const when: {
  (predicate: Predicate<A>): <R, E, A>(self: Effect<R, E, A>) => Effect<R, E, Option.Option<A>>
  <R, E, A>(self: Effect<R, E, A>, predicate: Predicate<A>): Effect<R, E, Option.Option<A>>
}

Effect Community•3y ago•

4 replies

Jérôme MARTIN

Extending Effect.when to using real predicate

export const when: {
  (predicate: Predicate<A>): <R, E, A>(self: Effect<R, E, A>) => Effect<R, E, Option.Option<A>>
  <R, E, A>(self: Effect<R, E, A>, predicate: Predicate<A>): Effect<R, E, Option.Option<A>>
}

export const when: {
  (predicate: Predicate<A>): <R, E, A>(self: Effect<R, E, A>) => Effect<R, E, Option.Option<A>>
  <R, E, A>(self: Effect<R, E, A>, predicate: Predicate<A>): Effect<R, E, Option.Option<A>>
}

Extending Effect.when to using real predicate

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