fragmentation/diff

Types

Change

A change between two fragment trees.

pub type Change {
  Added(fragment: fragmentation.Fragment)
  Removed(fragment: fragmentation.Fragment)
  Modified(
    old: fragmentation.Fragment,
    new: fragmentation.Fragment,
  )
  Unchanged(fragment: fragmentation.Fragment)
}

Constructors

```
Added(fragment: fragmentation.Fragment)
```
Fragment exists only in the new tree.

Removed(fragment: fragmentation.Fragment)

Fragment exists only in the old tree.

Modified(
  old: fragmentation.Fragment,
  new: fragmentation.Fragment,
)

Same position, different content.

Unchanged(fragment: fragmentation.Fragment)

Same ref, same content.

Values

diff

</>

pub fn diff(
  old: fragmentation.Fragment,
  new: fragmentation.Fragment,
) -> List(Change)

Diff two fragment trees by their roots. Compares structurally: same hash = unchanged, different hash = modified. Children compared positionally.

summary

</>

pub fn summary(changes: List(Change)) -> #(Int, Int, Int, Int)

Summarize a list of changes: #(added, removed, modified, unchanged).