tests/cases/compiler/nonArrayRestArgs.ts(1,14): error TS2370: A rest parameter must be of an array type.


==== tests/cases/compiler/nonArrayRestArgs.ts (1 errors) ====
    function foo(...rest: number) { // error
                 ~~~~~~~~~~~~~~~
!!! error TS2370: A rest parameter must be of an array type.
    	var x: string = rest[0];
    	return x;
    }