{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"self.try_alloc_from_iter(iter.into_iter().map(Ok::<T,"}]}
        self.try_alloc_from_iter(iter.into_iter().map(Ok::<T, !>)).into_ok()
    pub fn alloc_from_iter<I: IntoIterator<Item = T>>(&self, iter: I) -> &mut [T] {
    }