Module diff 

Diff computation module for branchdiff

This module computes 4-way diffs showing changes across:

• base (merge-base with main/master)
• head (committed on branch)
• index (staged)
• working (working tree)

Re-exports

pub use block::BlockKind;

pub use block::BlockMatch;

pub use block::ChangeBlock;

Modules

block

Structs

DiffInput

Input for computing a 4-way diff.

DiffLine

FileDiff

InlineSpan

Represents a span within a line for inline diff highlighting

Enums

LineSource

Functions

compute_four_way_diff

Compute 4-way diff: base→head→index→working. Uses provenance maps (not content similarity) to determine line sources. Inline diffs only created from explicit modification maps.