Viml functional
From wikinotes
Map
mylist = ["foo", "bar", "baz"] echo map(mylist, {item -> item . "!"}) " [foo!, bar!, baz!] echo map(mylist, 'v:val . "!"') " [foo!, bar!, baz!]
Filter
mylist = ["ditch", "KEEP", v:null, "KEEP"] let filtered = filter(copy(mylist), 'v:val == "KEEP"')