Struct Location 

pub struct Location {
    pub sequence_number: u32,
    pub flags: u16,
}

A location in the Plasma world — identifies a page within an age.

Stored as a sequence number (u32) + flags (u16). Equality ignores the kItinerant flag per C++ behavior.

Fields

sequence_number: u32

flags: u16

Implementations

impl Location

pub const GLOBAL_FIXED: Location

pub const LOCAL_START: Location

pub const LOCAL_END: Location

pub const NORMAL_START: Location

pub const GLOBAL_SERVER: Location

pub const INVALID: Location

pub fn invalid() -> Self

Create an invalid (uninitialized) location.

pub fn new(sequence_number: u32, flags: u16) -> Self

Create a location with the given sequence number and flags.

pub fn make_reserved(number: u32) -> Self

Create a reserved location.

pub fn make_normal(number: u32) -> Self

Create a normal location from a page sequence offset.

pub fn is_valid(&self) -> bool

pub fn is_reserved(&self) -> bool

pub fn is_itinerant(&self) -> bool

pub fn is_virtual(&self) -> bool

pub fn is_local(&self) -> bool

pub fn read(reader: &mut impl Read) -> Result<Self>

pub fn write(&self, writer: &mut impl Write) -> Result<()>

Trait Implementations

impl Clone for Location

fn clone(&self) -> Location

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Location

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

Formats the value using the given formatter.

impl Default for Location

fn default() -> Self

Returns the “default value” for a type.

impl Display for Location

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

Formats the value using the given formatter.

impl Hash for Location

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Location

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Location

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Location

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for Location

impl Eq for Location