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samuelcole/gist:1d73da2d45290c558906

Last active August 29, 2015 14:20
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Insert or move an object to the front of the list
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gistfile1.rb
# given a set of shows that the user is going to
going = [c, e]
# and a set of shows that are available
available = [a, b, c, d]
# 1. insert the going shows at the beginning of the array
# 2. make sure the same show doesn't appear twice
list == [c, e, a, b, d]
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