Struct Change 

pub struct Change {
    pub old: Range<usize>,
    pub new: Range<usize>,
}

The byte-level effect of an Editor edit: old is the range of the pre-edit source that was replaced, new the range the replacement now occupies in the post-edit source (they share a start). An insertion has an empty old; a deletion an empty new. Everything a caret/selection needs to re-anchor across an edit without re-diffing: shift any offset >= old.end by new.len() - old.len().

Fields

old: Range<usize>

new: Range<usize>

Implementations

impl Change

pub fn delta(&self) -> isize

The net change in source length (new.len() - old.len()).

Trait Implementations

impl Clone for Change

fn clone(&self) -> Change

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Change

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

Formats the value using the given formatter.

impl Eq for Change

impl PartialEq for Change

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Change