func in A Sentence

    1

    The Func will be passed to sys.

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    2

    Uses enhanced(cube Func­tion) height­map from SRTM4 data.

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    3

    In general Func would take one parameter, which is an item of the array.

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    4

    Yep, the Function you need already exists and it's called iterate. you use it by iterate Func 5!

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    5

    This can lead to unexpected behavior if Func has side-effects, as they will take effect twice for the first group.

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    6

    In the current implementation apply calls Func twice on the first group to decide whether it can take a fast or slow code path.

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