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allbits?

        # Integer.allbits?

(from ruby core)
---
    allbits?(mask) -> true or false

---

Returns `true` if all bits that are set (=1) in `mask` are also set in
`self`; returns `false` otherwise.

Example values:

    0b1010101  self
    0b1010100  mask
    0b1010100  self & mask
         true  self.allbits?(mask)

    0b1010100  self
    0b1010101  mask
    0b1010100  self & mask
        false  self.allbits?(mask)

Related: Integer#anybits?, Integer#nobits?.



      

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