[DOC] Add ifnone example to find documentation [ci skip] [Fix GH-2110]
ifnone
find
From: OKURA Masafumi masafumi.o1988@gmail.com
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67517 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[DOC] Add
ifnone
example tofind
documentation [ci skip][Fix GH-2110]
From: OKURA Masafumi masafumi.o1988@gmail.com
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67517 b2dd03c8-39d4-4d8f-98ff-823fe69b080e