// Test dictionary methods.
#let dict = (a: 3, c: 2, b: 1)
#test("c" in dict, true)
#test(dict.len(), 3)
#test(dict.values(), (3, 2, 1))
#test(dict.pairs().map(p => p.first() + str(p.last())).join(), "a3c2b1")

#dict.remove("c")
#test("c" in dict, false)
#test(dict, (a: 3, b: 1))