import list
:type map
:type map {(1,3), (4,6)}
map {(1,3), (4,6)}
:type insert
:type map {}
map {}
:type insert(1, 3, insert(4, 6, map {}))
insert(1, 3, insert(4, 6, map {}))
insert(1, 3, insert(1, 4, map {}))
m : Map(N, N)
m = insert(1, 3, insert(4, 6, map {}))
:type lookup
lookup(1,m)
lookup(4,m)
lookup(5,m)
foldr(\((k,v),m). insert(k,v,m), map {}, [(1,"hello"), (3, "there"), (4, "you")])
map {(1,3), (1,1), (1,2)}
:type insert(1, {"hi","there"}, insert(2, {}, insert(4, {"why","not","now"}, insert(2, {"blah"}, map {}))))
insert(1, {"hi","there"}, insert(2, {}, insert(4, {"why","not","now"}, insert(2, {"blah"}, map {}))))
insert(1, "A", insert(1, "B", map {}))
insert(1, "B", insert(1, "A", map {}))
insert("hi", 1, insert("there", 2, map {}))
mapToSet(map{})
mapToSet(insert("hi", 1, insert("there", 2, map {})))