Improving the `isLeft` branch can be achieved by using a more concise and expressive pattern matc...

import {
  FetchHttpClient,
  HttpClient,
  HttpClientRequest,
} from "@effect/platform";
import { Console, Effect, Either } from "effect";

const program = Effect.gen(function* () {
  const client = yield* HttpClient.HttpClient;

  const request = HttpClientRequest.get("https://httpbin.org/delay/5");

  const response = yield* Effect.either(
    client.execute(request).pipe(Effect.timeout("1 second"))
  );

  if (Either.isLeft(response)) {
    // return yield* Match.value(response.left._tag).pipe(
    //   Match.when("RequestError", (error) => void),
    //   Match.when("ResponseError", (error) => void),
    //   Match.when("TimeoutException", (error) => void),
    //   Match.exhaustive
    // );

    if (response.left._tag === "RequestError") {
      yield* Console.error("Request error occurred:", response.left);
      return;
    }

    if (response.left._tag === "ResponseError") {
      yield* Console.error("Response error occurred:", response.left);
      return;
    }

    if (response.left._tag === "TimeoutException") {
      yield* Console.error("Request timed out after 1 second");
      return;
    }

    yield* Console.error("exhaustive", response.left);
    return;
  }

  const json = yield* response.right.json;

  yield* Console.log(json);
}).pipe(Effect.provide(FetchHttpClient.layer));

Effect.runPromise(program);