Fiber.join

code:ts

import { Effect, Fiber } from "effect"

const fib = (n: number): Effect.Effect<number> =>

n < 2

? Effect.succeed(n)

: Effect.zipWith(fib(n - 1), fib(n - 2), (a, b) => a + b)

const fib10Fiber = Effect.fork(fib(10))

const program = Effect.gen(function* () {

const fiber = yield* fib10Fiber

const n = yield* Fiber.join(fiber)

console.log(n)

})

Effect.runFork(program) // 出力: 55