rational.c (nurat_s_convert): calls to_r when the given argument is non-integer.
* rational.c (nurat_s_convert): raises TypeError when the given argument is nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rational.c (nurat_s_convert): calls to_r when the given argument
is non-integer.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e