Struct Selection 

pub struct Selection {
    pub anchor: usize,
    pub cursor: usize,
}

Selection state tracking anchor and cursor positions

Fields

anchor: usize

Where selection started (anchor point)

cursor: usize

Current cursor position

Implementations

impl Selection

pub fn new(pos: usize) -> Self

Create a new selection with cursor at given position (no selection)

pub fn has_selection(&self) -> bool

Check if there is an active selection (anchor != cursor)

pub fn range(&self) -> (usize, usize)

Get the start and end of the selection (min, max)

pub fn collapse(&mut self)

Collapse selection to cursor position

Trait Implementations

impl Clone for Selection

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Selection

impl Debug for Selection

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

Formats the value using the given formatter.

impl Default for Selection

fn default() -> Self

Returns the “default value” for a type.