Struct BytePos 

pub struct BytePos(pub u32);

A byte offset into a source file.

This is a u32, not a usize: source files are capped at 4 GiB, and a 32-bit offset halves the storage cost of every span.

Tuple Fields

0: u32

Implementations

impl BytePos

pub const ZERO: BytePos

The zero offset — the start of every file.

pub const fn to_u32(self) -> u32

pub const fn to_usize(self) -> usize

pub const fn saturating_add(self, bytes: u32) -> BytePos

Saturating addition. Offsets never overflow; they clamp at u32::MAX.

pub const fn saturating_sub(self, other: BytePos) -> u32

Difference between two offsets, clamped at zero so subtraction can never underflow or produce a negative span.

Trait Implementations

impl Clone for BytePos

fn clone(&self) -> BytePos

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for BytePos

impl Debug for BytePos

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

Formats the value using the given formatter.

impl Default for BytePos

fn default() -> BytePos

Returns the “default value” for a type.

impl Eq for BytePos

impl From<u32> for BytePos

fn from(value: u32) -> Self

Converts to this type from the input type.

impl Hash for BytePos

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 BytePos

fn cmp(&self, other: &BytePos) -> 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 BytePos

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for BytePos

fn partial_cmp(&self, other: &BytePos) -> 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 StructuralPartialEq for BytePos