id_effect 0.2.0

Effect<A, E, R> (sync + async), context/layers, pipe — interpreter-style, no bundled executor
Documentation 
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//! Ex 051 — `FiberRef` stores fiber-local values.
use id_effect::{FiberRef, run_blocking};

fn main() {
  let program = FiberRef::make(|| 0_u32).flat_map(|r| {
    let r2 = r.clone();
    r.set(42).flat_map(move |_| r2.get())
  });
  assert_eq!(run_blocking(program, ()), Ok(42));
  println!("051_fiber_ref ok");
}