<AR, ER, RR, AL, A>(
right: Stream<AR, ER, RR>,
f: (left: AL, right: AR) => A
): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>
<AL, EL, RL, AR, ER, RR, A>(
left: Stream<AL, EL, RL>,
right: Stream<AR, ER, RR>,
f: (left: AL, right: AR) => A
): Stream<A, EL | ER, RL | RR>Creates a cartesian product of elements from two streams using a function.
Details
The right stream is rerun for every element in the left stream.
See also Stream.zipWith for the more common point-wise variant.
Example (Combining cartesian products)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
const left = Stream.make(1, 2)
const right = Stream.make("a", "b")
const combined = Stream.crossWith(left, right, (n, s) => `${n}-${s}`)
const result = yield* Stream.runCollect(combined)
yield* Console.log(result)
})
Effect.runPromise(program)
// Output: [ "1-a", "1-b", "2-a", "2-b" ]export const const crossWith: {
<AR, ER, RR, AL, A>(
right: Stream<AR, ER, RR>,
f: (left: AL, right: AR) => A
): <EL, RL>(
left: Stream<AL, EL, RL>
) => Stream<A, EL | ER, RL | RR>
<AL, EL, RL, AR, ER, RR, A>(
left: Stream<AL, EL, RL>,
right: Stream<AR, ER, RR>,
f: (left: AL, right: AR) => A
): Stream<A, EL | ER, RL | RR>
}
Creates a cartesian product of elements from two streams using a function.
Details
The right stream is rerun for every element in the left stream.
See also Stream.zipWith for the more common point-wise variant.
Example (Combining cartesian products)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
const left = Stream.make(1, 2)
const right = Stream.make("a", "b")
const combined = Stream.crossWith(left, right, (n, s) => `${n}-${s}`)
const result = yield* Stream.runCollect(combined)
yield* Console.log(result)
})
Effect.runPromise(program)
// Output: [ "1-a", "1-b", "2-a", "2-b" ]
crossWith: {
<function (type parameter) AR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>RR, function (type parameter) AL in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AL, function (type parameter) A in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>A>(
right: Stream<AR, ER, RR>(parameter) right: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
right: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>RR>,
f: (left: AL, right: AR) => Af: (left: ALleft: function (type parameter) AL in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AL, right: ARright: function (type parameter) AR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AR) => function (type parameter) A in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>A
): <function (type parameter) EL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>RL>(left: Stream<AL, EL, RL>(parameter) left: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
left: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AL in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>AL, function (type parameter) EL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>RL>) => interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) A in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>A, function (type parameter) EL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>EL | function (type parameter) ER in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>ER, function (type parameter) RL in <EL, RL>(left: Stream<AL, EL, RL>): Stream<A, EL | ER, RL | RR>RL | function (type parameter) RR in <AR, ER, RR, AL, A>(right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): <EL, RL>(left: Stream<AL, EL, RL>) => Stream<A, EL | ER, RL | RR>RR>
<function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL, function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR, function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A>(
left: Stream<AL, EL, RL>(parameter) left: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
left: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL>,
right: Stream<AR, ER, RR>(parameter) right: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
right: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR>,
f: (left: AL, right: AR) => Af: (left: ALleft: function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, right: ARright: function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR) => function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A
): interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL | function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL | function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR>
} = import dualdual(3, <function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL, function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR, function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A>(
left: Stream<AL, EL, RL>(parameter) left: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
left: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL>,
right: Stream<AR, ER, RR>(parameter) right: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
right: interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR, function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR>,
f: (left: AL, right: AR) => Af: (left: ALleft: function (type parameter) AL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AL, right: ARright: function (type parameter) AR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>AR) => function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A
): interface Stream<out A, out E = never, out R = never>A Stream<A, E, R> describes a program that can emit many A values, fail
with E, and require R.
Details
Streams are pull-based with backpressure and emit chunks to amortize effect
evaluation. They support monadic composition and error handling similar to
Effect, adapted for multiple values.
Example (Creating and consuming streams)
import { Console, Effect, Stream } from "effect"
const program = Effect.gen(function*() {
yield* Stream.make(1, 2, 3).pipe(
Stream.map((n) => n * 2),
Stream.runForEach((n) => Console.log(n))
)
})
Effect.runPromise(program)
// Output:
// 2
// 4
// 6
Stream<function (type parameter) A in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>A, function (type parameter) EL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>EL | function (type parameter) ER in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>ER, function (type parameter) RL in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RL | function (type parameter) RR in <AL, EL, RL, AR, ER, RR, A>(left: Stream<AL, EL, RL>, right: Stream<AR, ER, RR>, f: (left: AL, right: AR) => A): Stream<A, EL | ER, RL | RR>RR> => const flatMap: {
<A, A2, E2, R2>(
f: (a: A) => Stream<A2, E2, R2>,
options?:
| {
readonly concurrency?:
| number
| "unbounded"
| undefined
readonly bufferSize?: number | undefined
}
| undefined
): <E, R>(
self: Stream<A, E, R>
) => Stream<A2, E2 | E, R2 | R>
<A, E, R, A2, E2, R2>(
self: Stream<A, E, R>,
f: (a: A) => Stream<A2, E2, R2>,
options?:
| {
readonly concurrency?:
| number
| "unbounded"
| undefined
readonly bufferSize?: number | undefined
}
| undefined
): Stream<A2, E | E2, R | R2>
}
flatMap(left: Stream<AL, EL, RL>(parameter) left: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
left, (l: ALl) => const map: {
<A, B>(f: (a: A, i: number) => B): <E, R>(
self: Stream<A, E, R>
) => Stream<B, E, R>
<A, E, R, B>(
self: Stream<A, E, R>,
f: (a: A, i: number) => B
): Stream<B, E, R>
}
map(right: Stream<AR, ER, RR>(parameter) right: {
channel: Channel.Channel<Arr.NonEmptyReadonlyArray<A>, E, void, unknown, unknown, unknown, R>;
pipe: { <A>(this: A): A; <A, B = never>(this: A, ab: (_: A) => B): B; <A, B = never, C = never>(this: A, ab: (_: A) => B, bc: (_: B) => C): C; <A, B = never, C = never, D = never>(this: A, ab: (_: A) => B, bc: (_: B) => C, cd: (_: C) => D): D; <…;
}
right, (r: ARr) => f: (left: AL, right: AR) => Af(l: ALl, r: ARr))))