Skip to main content

MetaNode

Struct MetaNode

#[repr(C)]pub struct MetaNode {
    pub magic: u64,
    pub format_version: u32,
    pub page_size: u32,
    pub catalog_root: PageId,
    pub mapping_root: PageId,
    pub reverse_root: PageId,
    pub next_lid: PageId,
    pub next_page_id: PageId,
    pub freelist_root: PageId,
    pub seq: u64,
    pub checksum: u64,
}

Fields§

§magic: u64§format_version: u32§page_size: u32§catalog_root: PageId§mapping_root: PageId§reverse_root: PageId§next_lid: PageId§next_page_id: PageId§freelist_root: PageId§seq: u64§checksum: u64

Implementations§

impl MetaNode

pub fn as_page_slice(&self) -> [u8; 4096]

pub fn from_slice(x: &[u8]) -> Self

impl MetaNode

pub fn new() -> Self

pub fn update_checksum(&mut self)

pub fn validate(&self) -> Result<()>

Trait Implementations§

impl Clone for MetaNode

fn clone(&self) -> MetaNode

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for MetaNode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Default for MetaNode

fn default() -> Self

Returns the “default value” for a type. Read more

impl Copy for MetaNode

Auto Trait Implementations§

impl Freeze for MetaNode

impl RefUnwindSafe for MetaNode

impl Send for MetaNode

impl Sync for MetaNode

impl Unpin for MetaNode

impl UnsafeUnpin for MetaNode

impl UnwindSafe for MetaNode

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.