Issue #7517 has been updated by Eregon (Benoit Daloze). I agree, I was thinking about it the other day remembering all the custom test code to find these and comparing with Float constants. ---------------------------------------- Feature #7517: Fixnum::MIN,MAX https://bugs.ruby-lang.org/issues/7517#change-34416 Author: matz (Yukihiro Matsumoto) Status: Open Priority: Normal Assignee: Category: core Target version: next minor Maximum (or minimum) number of fixnum can not be get in portable fashion, so I propose Fixnum::MAX and Fixnum::MIN just like Float::MAX and Float::MIN. Matz -- http://bugs.ruby-lang.org/