pub fn needs_par_as_let_scrutinee(order: ExprPrecedence) -> boolExpand description
Suppose we have let _ = e and the order of e.
Is the order such that e in let _ = e needs parentheses when it is on the RHS?
Conversely, suppose that we have (let _ = a) OP b and order is that of OP.
Can we print this as let _ = a OP b?