+ /// **What it does:** Checks for too many variables whose name consists of a
+ /// single character.
+ ///
+ /// **Why is this bad?** It's hard to memorize what a variable means without a
+ /// descriptive name.
+ ///
+ /// **Known problems:** None?
+ ///
+ /// **Example:**
+ /// ```ignore
+ /// let (a, b, c, d, e, f, g) = (...);
+ /// ```