Files
scriptc/tests/fixtures/effect4/layer-compose.ts
Chris Tate e2d58f60d2 Expand static support for common Effect 4 patterns (#600)
* Expand static compilation for common Effect 4 patterns

* Run every Effect 4 fixture slice in CI

* Preserve existing corpus behavior across Effect 4 lowering

* Preserve Effect platform callbacks and native stream state

* Record new corpus baselines and retain child stdin refusals

* Retire the obsolete stateful regex diagnostic

* Preserve promise reference count layout for cycle collection
2026-10-01 17:36:29 -05:00

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TypeScript

import * as Effect from "effect/Effect"
import * as Context from "effect/Context"
import * as Layer from "effect/Layer"
const A=Context.Service<number>("A"); const B=Context.Service<number>("B"); const a=Layer.succeed(A,20); const b=Layer.effect(B,A.useSync(n=>n+2)).pipe(Layer.provide(a)); Effect.runPromise((Effect.all([A,B]).pipe(Effect.provide(Layer.mergeAll(a,b)))).pipe(Effect.tap(value => Effect.sync(() => console.log(JSON.stringify(value))))))