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5.8 Binary bit-wise operations

Each of the three bitwise operations has a different priority level:

      and_expr:       shift_expr | and_expr "&" shift_expr
      xor_expr:       and_expr | xor_expr "^" and_expr
      or_expr:       xor_expr | or_expr "|" xor_expr

The `&` operator yields the bitwise AND of its arguments, which must be plain or long integers. The arguments are converted to a common type.

The `^` operator yields the bitwise XOR (exclusive OR) of its arguments, which must be plain or long integers. The arguments are converted to a common type.

The `|` operator yields the bitwise (inclusive) OR of its arguments, which must be plain or long integers. The arguments are converted to a common type.