pub fn borrow_mut(&self) -> RefMut<'_, Vec<T>> {
        self.inner
            .get_or(|| RefCell::new(vec![T::default(); self.size]))
            .borrow_mut()
    }
/// Mutably borrow the thread local vector if it already exists, or create
/// it and then borrow it.
Mutably borrow the thread local vector if it already exists, or create
it and then borrow it.
Mutably borrow the thread local vector if it already exists or create it and then borrow it .
pub fn borrow_mut(&self) -> RefMut<'_, Vec<T>> {
        self.inner
            .get_or(|| RefCell::new(vec![T::default(); self.size]))
            .borrow_mut()
    }
pub fn borrow_mut ( & self ) -> RefMut < ' _ , Vec < T > > { self . inner . get_or ( | | RefCell :: new ( vec ! [ T default ( ) self size ] ) ) . borrow_mut ( ) }
Mutably borrow the thread local vector if it already exists, or create
it and then borrow it.
Mutably borrow the thread local vector if it already exists or create it and then borrow it .
&self