n-bit-of-byte

C++ implementation

node {
    void evaluate(Context ctx) {
        uint8_t val = getValue<input_IN>(ctx);
        uint8_t in0 = getValue<input_n>(ctx);
         uint8_t in1 = (ctx, pow( 2, in0));
         emitValue<output_nbit>(ctx, in1 & val);

    }
}