RosettaCodeData/Task/Search-a-list/Lasso/search-a-list.lasso

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local(haystack) = array('Zig', 'Zag', 'Wally', 'Ronald', 'Bush', 'Krusty', 'Charlie', 'Bush', 'Bozo')
#haystack->findindex('Bush')->first // 5
#haystack->findindex('Bush')->last // 8
protect => {^
handle_error => {^ error_msg ^}
fail_if(not #haystack->findindex('Washington')->first,'Washington is not in haystack.')
^}