another-rxrust 0.0.46

A different implementation than `rxRust` for easier use of `ReactiveX` in `Rust`.
Documentation 
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use crate::prelude::*;

pub fn ready_set_go<'a, F, Item>(
  f: F,
  o: Observable<'a, Item>,
) -> Observable<'a, Item>
where
  F: Fn() + Send + Sync + 'a,
  Item: Clone + Send + Sync,
{
  Observable::create(move |s| {
    o.inner_subscribe(s);
    f();
  })
}
#[cfg(test)]
mod test {
  use crate::prelude::*;

  #[test]
  fn basic() {
    let s = subjects::Subject::<i32>::new();
    let s_f = s.clone();
    utils::ready_set_go(
      move || {
        s_f.next(1);
        s_f.next(2);
        s_f.complete();
      },
      s.observable(),
    )
    .subscribe(
      print_next_fmt!("{}"),
      print_error!(),
      print_complete!(),
    );
  }
}