Function __action527 

fn __action527<'a>(
    handler: &Handler,
    (_, l, _): (usize, SyntaxNode<'a>, usize),
    (_, a, _): (usize, SyntaxNode<'a>, usize),
    (_, t, _): (usize, SyntaxNode<'a>, usize),
) -> SyntaxNode<'a>