Integer#&

self & other → integer

VALUE
rb_int_and(VALUE x, VALUE y)
{
    if (FIXNUM_P(x)) {
        return fix_and(x, y);
    }
    else if (RB_BIGNUM_TYPE_P(x)) {
        return rb_big_and(x, y);
    }
    return Qnil;
}

Bitwise AND; each bit in the result is 1 if both corresponding bits in self and other are 1, 0 otherwise:

Example

"%04b" % (0b0101 & 0b0110) # => "0100"

Raises an exception if other is not an Integer.

Related: Integer#| (bitwise OR), Integer#^ (bitwise EXCLUSIVE OR).

See also #% #* .try_convert #** also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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