Enum Edit 

pub enum Edit {
    Insert {
        cursor: Cursor,
        text: String,
        line_num: u32,
        index: usize,
        mode: Option<InsertMode>,
    },
    Delete {
        anchor: Anchor,
        line_num: u32,
        index: usize,
        old_assertion: Option<String>,
    },
}

A single low-level edit produced by the parser and consumed by the applier.

Variants

Insert

Insert new text at a cursor position.

Fields

cursor: Cursor

Where the inserted text lands relative to existing content.

text: String

The literal text to insert.

line_num: u32

1-indexed line number of this edit in the patch text (for diagnostics).

index: usize

Position of this edit in the patch’s edit list (for stable ordering).

mode: Option<InsertMode>

Lowering mode for this insert, if any (e.g. SWAP-to-replacement).

Delete

Delete the line at an anchor.

Fields

anchor: Anchor

The 1-indexed line this delete targets.

line_num: u32

1-indexed line number of this edit in the patch text (for diagnostics).

index: usize

Position of this edit in the patch’s edit list (for stable ordering).

old_assertion: Option<String>

Optional content asserted present at the deleted line (reserved for future guards).

Implementations

impl Edit

pub fn line_num(&self) -> u32

The 1-indexed line number in the patch text where this edit appears (for diagnostics).

pub fn anchor_line(&self) -> u32

The anchor line this edit targets (for session-chain recovery guards).

pub fn index(&self) -> usize

Index in the patch’s edit list (for stable ordering).

Trait Implementations

impl Clone for Edit

fn clone(&self) -> Edit

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Edit

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

Formats the value using the given formatter.