Struct StateChange 

pub struct StateChange {
    pub change_type: StateChangeType,
    pub old_version: u64,
    pub new_version: u64,
    pub affected_region: Option<Range<usize>>,
}

State change record

Fields

change_type: StateChangeType

Change type

old_version: u64

Old version number

new_version: u64

New version number

affected_region: Option<Range<usize>>

Affected region (character offset range)

Implementations

impl StateChange

pub fn new( change_type: StateChangeType, old_version: u64, new_version: u64, ) -> Self

Create a new state change record without an affected region.

pub fn with_region(self, region: Range<usize>) -> Self

Attach the affected character range to this change record.

Trait Implementations

impl Clone for StateChange

fn clone(&self) -> StateChange

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StateChange

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

Formats the value using the given formatter.