pub trait TryAllocForExactSizeIter<T: ExactSizeIterator<Item = Option<F>>, F> {
// Required method
fn galloc_try_scollect(self) -> Option<&'static [F]>;
}
pub trait TryAllocForExactSizeIter<T: ExactSizeIterator<Item = Option<F>>, F> {
// Required method
fn galloc_try_scollect(self) -> Option<&'static [F]>;
}