Function parser_haskell::haskell::__action212

pub fn __action212<'input, 'err>(
    errors: &'err mut Vec<ErrorRecovery<usize, (usize, &'input str), ()>>, 
    input: &'input str, 
    (_, __0, _): (usize, (Expr, Option<Expr>), usize), 
    (_, _, _): (usize, &'input str, usize)
) -> (Expr, Option<Expr>)