effect-io-ai

Package: effect
Module: Stream

Stream.filterMap

Filters and maps stream elements in one pass using a Filter.

When to use

Use to keep only stream elements accepted by a Filter and emit each filter success value.

Details

Result.succeed values are emitted and Result.fail values are skipped.

See

• filter for keeping original elements with a boolean predicate or refinement
• filterMapEffect for an effectful Filter
• partition for consuming both filter success and failure values

Signature

declare const filterMap: { <A, B, X>(filter: Filter.Filter<NoInfer<A>, B, X>): <E, R>(self: Stream<A, E, R>) => Stream<B, E, R>; <A, E, R, B, X>(self: Stream<A, E, R>, filter: Filter.Filter<A, B, X>): Stream<B, E, R>; }

Source

Since v2.0.0