Function __action189 

fn __action189<'a>(
    handler: &Handler,
    (_, ns, _): (usize, Vec<SyntaxNode<'a>>, usize),
    (_, is, _): (usize, Vec<SyntaxNode<'a>>, usize),
    (_, p, _): (usize, SyntaxNode<'a>, usize),
) -> SyntaxNode<'a>