difft::diff::unchanged

Function split_changed_singleton_list

Source 
fn split_changed_singleton_list<'a>(
    lhs_nodes: &[&'a Syntax<'a>],
    rhs_nodes: &[&'a Syntax<'a>],
    size_threshold: u32,
) -> Vec<(ChangeState, Vec<&'a Syntax<'a>>, Vec<&'a Syntax<'a>>)>
Expand description

If both sides are a single list node, and they have the same delimiter, see if they have common children that we can trivially mark as unchanged.