Ruby 1.9.2 Reference Manual > All Libraries > Builtin Library > class NilClass > rationalize

instance method NilClass#rationalize

rationalize -> Rational

rationalize(eps) -> Rational

0/1 を返します。

[PARAM] eps:

許容する誤差

引数 eps は常に無視されます。

例:

nil.rationalize      # => (0/1)
nil.rationalize(100) # => (0/1)
nil.rationalize(0.1) # => (0/1)