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This commit is contained in:
Julien Valverdé
2026-03-24 09:28:05 +01:00
parent e175eac701
commit 8c86c1ce76
1 changed files with 11 additions and 2 deletions
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13
packages/effect-fc/src/Lens.ts
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@@ -155,10 +155,17 @@ export const mapStructAt: {
))
export const mapArrayAt: {
<A, ER, EW, RR, RW>(
self: Lens<A[], ER, EW, RR, RW>,
index: number,
): Lens<A, ER | NoSuchElementException, EW | NoSuchElementException, RR, RW>
<A, ER, EW, RR, RW>(
self: Lens<readonly A[], ER, EW, RR, RW>,
index: number,
): Lens<A, ER | NoSuchElementException, EW | NoSuchElementException, RR, RW>
<A, ER, EW, RR, RW>(
index: number
): (self: Lens<A[], ER, EW, RR, RW>) => Lens<A, ER | NoSuchElementException, EW | NoSuchElementException, RR, RW>
<A, ER, EW, RR, RW>(
index: number
): (self: Lens<readonly A[], ER, EW, RR, RW>) => Lens<A, ER | NoSuchElementException, EW | NoSuchElementException, RR, RW>
@@ -289,8 +296,8 @@ export const updateAndGetEffect: {
Effect.gen(function*() {
const ref = yield* SubscriptionRef.make({
values: [13, 69, 1488]
})
values: [13, 69, 1488] as readonly number[]
} as const)
const myValueLens = ref.pipe(
fromSubscriptionRef,
@@ -298,6 +305,8 @@ Effect.gen(function*() {
mapArrayAt(1),
)
const myValueLens2 = mapArrayAt(mapStructAt(fromSubscriptionRef(ref), "values"), 1)
console.log(yield* ref.get, yield* myValueLens.get)
yield* set(myValueLens, 22)
console.log(yield* ref.get, yield* myValueLens.get)