wuz/tests/test_fun.wuz

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assert fun<int:int> is type
assert fun<int:> is type
assert fun<:int> is type
assert fun<int, int: float, str> is type
assert fun< fun<:> : int> is type
let a = fun (x as int, y as int) as int
0
end
assert a is fun<int, int: int>
assert !(a is fun<:>)
let b = fun (x as int) as int
return x * 7
end
assert 42 == b 6
let c = fun () as int
return 3 * 6
end
assert 18 == *c
let d = fun () as int
return 43
27
end
assert 43 == *d
fun e (n as int) as int
return n * 2
end
assert 14 == e 7
fun f (n as int) as int
if n == 0
return 1
end
return n * f(n - 1)
end
assert 120 == f 5
fun h (n as int, m as fun<int:int>) as int
return (m (m n))
end
fun i (n as int) as int
return n * 3
end
assert 27 == h 3, i