pub(crate) fn mark_unchanged<'a>(
    lhs_nodes: &[&'a Syntax<'a>],
    rhs_nodes: &[&'a Syntax<'a>],
    change_map: &mut ChangeMap<'a>
) -> Vec<(Vec<&'a Syntax<'a>>, Vec<&'a Syntax<'a>>)>
Expand description

Set ChangeKind on nodes that have exactly the same structure on both sides, and return a vec of pairs that need proper diffing.