Simple evaluation of sequence type matching involving instance of and a sequence of integers. functx-functx-is-leap-year-1.txt Simple evaluation of sequence type matching involving instance of and a sequence of integers. functx-functx-is-leap-year-2.txt Simple evaluation of sequence type matching involving instance of and a sequence of integers. functx-functx-is-leap-year-3.txt Simple evaluation of sequence type matching involving instance of and a sequence of integers. functx-functx-is-leap-year-all.txt