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Since the Ruby-2.4.0 release,
Fixnum
andBignum
are combined into Integer class. This PR is to fix allFixnum
warnings. Are you interested in learning more? https://bugs.ruby-lang.org/issues/12005Notice that I added a few
RUBY_VERSION
if statements, because Travis is testing a few versions of Ruby: 2.1.10, 2.2.7, 2.3.4 and 2.4.1. Otherwise Travis would fail and I wouldn't have gotten the green flag.I opened an issue #1171 for this PR - take a look at the first bullet point.