lean4-htt/tests/compiler/array_test.lean
2019-04-07 13:08:23 -07:00

29 lines
767 B
Text

def foo (a : Array Nat) : Array Nat :=
let a := a.push 0 in
let a := a.push 1 in
let a := a.push 2 in
let a := a.push 3 in
a
def main : IO UInt32 :=
do
let a : Array Nat := Array.empty,
IO.println (toString a),
IO.println (toString a.sz),
let a := foo a,
IO.println (toString a),
let a := a.hmap (+10),
IO.println (toString a),
IO.println (toString a.sz),
let a1 := a.pop,
let a2 := a.push 100,
IO.println (toString a1),
IO.println (toString a2),
let a2 := a.pop,
IO.println a2,
IO.println $ (([1, 2, 3, 4].toArray).hmap (+2)).map toString,
IO.println $ ([1, 2, 3, 4].toArray.extract 1 3),
IO.println $ ([1, 2, 3, 4].toArray.extract 0 100),
IO.println $ ([1, 2, 3, 4].toArray.extract 1 1),
IO.println $ ([1, 2, 3, 4].toArray.extract 2 4),
pure 0