effect-io-ai

Package: effect
Module: STM

STM.whenSTM

The moral equivalent of if (p) exp when p has side-effects.

Signature

declare const whenSTM: { <E2, R2>(predicate: STM<boolean, E2, R2>): <A, E, R>(self: STM<A, E, R>) => STM<Option.Option<A>, E2 | E, R2 | R>; <A, E, R, E2, R2>(self: STM<A, E, R>, predicate: STM<boolean, E2, R2>): STM<Option.Option<A>, E | E2, R | R2>; }

Source

Since v2.0.0