Method readCode

src/core/aztec/decoder/Decoder.ts:333–342

* Reads a code of given length and at given index in an array of bits

(rawbits: boolean[], startIndex: number, length: number)

     * Reads a code of given length and at given index in an array of bits
     */
    private static readCode(rawbits: boolean[], startIndex: number, length: number): number {
        let res = 0;
        for (let i = startIndex; i < startIndex + length; i++) {
            res <<= 1;
            if (rawbits[i]) {
                res |= 0x01;
            }
        }
        return res;
    }

    /**
     * Reads a code of length 8 in an array of bits, padding with zeros