whiley_test_file 0.6.2

original.name="Array_Valid_8"
======
>>> main.whiley
function f(int[] xs) -> (int r)
requires |xs| > 0
ensures r >= 0 && r < |xs|:
    //
    return 0

public export method test():
    //
    int[] xs = [0]
    xs[xs[f([0])]] = 1
    assert xs == [1]


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