Prime
class Prime
The set of all prime numbers.
Example
Prime.each(100) do |prime| p prime #=> 2, 3, 5, 7, 11, ...., 97 end
Prime is Enumerable:
Prime.first 5 # => [2, 3, 5, 7, 11]
Retrieving the instance
For convenience, each instance method of Prime
.instance can be accessed as a class method of Prime
.
e.g.
Prime.ins