///|
pub extend ChangeKind with Eq::{equal, not_equal}

///|
pub extend ChangeKind with @debug.Debug::{to_repr}

///|
pub extend Change with Eq::{equal, not_equal}

///|
pub extend Change with @debug.Debug::{to_repr}

///|
pub extend Comparison with Eq::{equal, not_equal}

///|
pub extend Comparison with @debug.Debug::{to_repr}