instance method Integer#to_r
to_r -> Rational[added by rational]-
自身を Rational に変換します。
例:
1.to_r # => Rational(1, 1) (1<<64).to_r # => Rational(18446744073709551616, 1)
class Integer
to_r -> Rational [added by rational]
自身を Rational に変換します。
例:
1.to_r # => Rational(1, 1) (1<<64).to_r # => Rational(18446744073709551616, 1)
