Function scanExactNumberOfHexDigits

test/fixtures/snapshot/typescript.js:11003–11006

* Scans the given number of hexadecimal digits in the text, * returning -1 if the given number is unavailable.

(count, canHaveSeparators)

         * returning -1 if the given number is unavailable.
         */
        function scanExactNumberOfHexDigits(count, canHaveSeparators) {
            var valueString = scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false, canHaveSeparators);
            return valueString ? parseInt(valueString, 16) : -1;
        }
        /**
         * Scans as many hexadecimal digits as are available in the text,
         * returning "" if the given number of digits was unavailable.