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instance method

Integer#nobits?

nobits?(mask) → true or false

static VALUE
int_nobits_p(VALUE num, VALUE mask)
{
    mask = rb_to_int(mask);
    return int_zero_p(rb_int_and(num, mask));
}

Returns true if no bit that is set (=1) in mask is also set in self; returns false otherwise.

Example values:

0b11110000  self
0b00001111  mask
0b00000000  self & mask
      true  self.nobits?(mask)

0b00000001  self
0b11111111  mask
0b00000001  self & mask
     false  self.nobits?(mask)

See also #next #numerator #modulo #odd? also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0

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