The abstract class for integers, which has two subclasses
Fixnum
and
Bignum
. In Ruby,
both kinds of integers are mixable, and converted
automatically according to the value. Integers can be
treated as infinite bit strings for bit operations.
Numeric
self[nth]
Returns 1 if nth bit of the integer set, otherwise 0.
chr
Returns the string contains a character represented by that number in
the character set. For example, 65.chr
returns the
string "A"
.
The number must be within 0 to 255.
integer?
Returns TRUE.
size
Returns the approximate size of the integer in byte.
succ
Returns the ``next'' value of the integer.