Add or nil to call-seq of Enumerator::ArithmeticSequence#begin
or nil
Enumerator::ArithmeticSequence#begin
% ruby -ve 'p (nil..).first' ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18] nil % ruby -ve 'p (nil..).begin' ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18] nil
Add
or nil
to call-seq ofEnumerator::ArithmeticSequence#begin