pub fn fold_catch_clause<'new, 'src, F: Fold<'src> + ?Sized>(
folder: &mut F,
arena: &'new Bump,
catch: &CatchClause<'_, 'src>,
) -> CatchClause<'new, 'src>pub fn fold_catch_clause<'new, 'src, F: Fold<'src> + ?Sized>(
folder: &mut F,
arena: &'new Bump,
catch: &CatchClause<'_, 'src>,
) -> CatchClause<'new, 'src>