Enum Action

pub enum Action {
    Insert {
        start: usize,
        text: String,
    },
    Remove {
        start: usize,
        text: String,
    },
    Noop {
        start: usize,
    },
    StartGroup,
    EndGroup,
}

A modification performed on a Buffer. These are used for the purpose of undo/redo.

Variants

Insert

Fields

start: usize

text: String

Remove

Fields

start: usize

text: String

Noop

Fields

start: usize

StartGroup

EndGroup

Implementations

impl Action

pub fn do_on(&self, buf: &mut Buffer) -> Option<usize>

pub fn undo(&self, buf: &mut Buffer) -> Option<usize>

Trait Implementations

impl Clone for Action

fn clone(&self) -> Action

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Action

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

Formats the value using the given formatter.