185                 Ok(layout) => layout,  in allocate_in()
189                 Ok(_) => {}  in allocate_in()
197                 Ok(ptr) => ptr,  in allocate_in()
215             return Ok(Self::new_in(alloc));  in try_allocate_in()
229         Ok(Self {  in try_allocate_in()
343             Ok(())  in try_reserve()
381         if self.needs_to_grow(len, additional) { self.grow_exact(len, additional) } else { Ok(()) }  in try_reserve_exact()
445         Ok(())  in grow_amortized()
464         Ok(())  in grow_exact()
471         let (ptr, layout) = if let Some(mem) = self.current_memory() { mem } else { return Ok(()) };  in shrink()
484         Ok(())  in shrink()
536         Ok(()) => { /* yay */ }  in handle_reserve()
554         Ok(())  in alloc_guard()