kind=added
names=Rational
visibility=private 

--- Rational(a, b)
[[c:Rational]] オブジェクトを生成する。

Creates a Rational number (i.e. a fraction).  +a+ and +b+ should be Integers:
 
  Rational(1,3)           # -> 1/3

Note: trying to construct a Rational with floating point or real values
produces errors:

  Rational(1.1, 2.3)      # -> NoMethodError


