Compilation Error

[farooquiumar27]

I cannot test your DB.
I have type this and
rustc +nightly --version
rustc 1.84.0-nightly (e92993dbb 2024-10-18)
And its showing me three 3 errors.
1 -> error[E0308]: mismatched types
--> src\paging\cache.rs:400:31
|
400 | .get_many_mut(frame_ids.map(|frame_id| *frame_id))
| ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected [usize; _], found Option<usize>
| |
| arguments to this method are incorrect
|
= note: expected array [usize; _]
found enum Option<usize>
note: method defined here
--> /rustc/e92993dbb43f0a5d17fe56e2d82f90435d6521c8\library\core\src\slice\mod.rs:4518:12

2 -> error[E0308]: mismatched types
--> src\paging\cache.rs:398:9
|
397 | ) -> Option<[&mut MemPage; N]> {
| ------------------------- expected Option<[&mut MemPage; N]> because of return type
398 | / self.pages.get_many_mut(pages.each_ref()).map(|frame_ids| {
399 | | self.buffer
400 | | .get_many_mut(frame_ids.map(|frame_id| *frame_id))
401 | | .unwrap()
... |
405 | | })
406 | | })
| |__________^ expected Option<[&mut MemPage; N]>, found [[&mut MemPage; _]; N]
|
= note: expected enum Option<[&mut MemPage; N]>
found array [[&mut MemPage; _]; N]

3 -> error[E0658]: use of unstable library feature 'pointer_is_aligned_to'
--> src\storage\page.rs:346:21
|
346 | pointer.is_aligned_to(CELL_ALIGNMENT),
| ^^^^^^^^^^^^^
|
= note: see issue #96284 rust-lang/rust#96284 for more information
= help: add #![feature(pointer_is_aligned_to)] to the crate attributes to enable
= note: this compiler was built on 2024-10-18; consider upgrading it if it is out of date

-------------------------------------------------Please fix the issues--------------------------------------------------------------