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&
    Bit-wise AND:  The bits of the value on the left and the value on the
    right are ANDed.

|
    Bit-wise OR:  The bits of the value on the left and the value on the
    right are ORed.

^u
    Bit-wise exclusive OR:  The bits of the value on the left and the value
    on the right are exclusively ORed.