cairo-native 0.9.0-rc.8

A compiler to convert Cairo's IR Sierra code to MLIR and execute it.
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use array::ArrayTrait;

fn run_test() -> (Option<@u32>, Option<@u32>, Option<@u32>, Option<@u32>) {
    let mut numbers = ArrayTrait::new();
    numbers.append(4_u32);
    numbers.append(3_u32);
    numbers.append(1_u32);
    let mut numbers = numbers.span();
    (
        numbers.pop_back(),
        numbers.pop_back(),
        numbers.pop_back(),
        numbers.pop_back(),
    )
}