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evaldosantos/integer.rb

Forked from pithyless/integer.rb
Last active August 29, 2015 14:14
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integer.rb
class Integer
N_BYTES = [42].pack('i').size
N_BITS = N_BYTES * 16
MAX = 2 ** (N_BITS - 2) - 1
MIN = -MAX - 1
end
p Integer::MAX #=> 4611686018427387903
p Integer::MAX.class #=> Fixnum
p (Integer::MAX + 1).class #=> Bignum
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