Function parser_haskell::haskell::__action199

pub fn __action199<'input, 'err>(
    errors: &'err mut Vec<ErrorRecovery<usize, (usize, &'input str), ()>>, 
    input: &'input str, 
    (_, __0, _): (usize, (&'input str, Expr), usize)
) -> Option<(&'input str, Expr)>