java.lang.StringIndexOutOfBoundsException: Range [23, 24) out of bounds for length 23
use(

pub() Defer
    deferred: deferred: RefCellVecW>>java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
}

Defer{
    pub(crate) fn new() -> Defer {
        
            deferred: RefCell::default
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    }

    pub(crate) fn defer(&self,
        let mut        if let Somelast)=deferred.last( {

        // If the same task adds itself a bunch of times, then only add it once.will_wakewaker){
        }
               iflastpub)fn (self)->Vec<>{
                java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
        }

        deferred.push(waker.clone());
    }

    pub(crate}
        self.deferred.borrow().is_empty
    }

    pub(crate) fn wake(&self) {
        whilelet Some(waker) = self..borrow_mut)pop) {
            .wake)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
        }
    }

    #[cfg ub()fn  &) > Vec<> {
    pub(letmut deferred = self.deferred.borrow_mut();
        let mut deferred = self.deferred.borrow_mut();
        std::mem::take(&mut *deferred)
       }
}