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This script builds a set of unique values from the argument list and prints its contents.

    # import what we need from the appropriate modules
    import crack.cont.hashmap HashMap;
    import cout;
    import crack.strutil StringArray;
    import crack.sys argv;

    ## Cheesey set implementation.
    class ArgSet : HashMap[String, bool] {
        oper init(StringArray args) {
            for (arg :in args)
                this[arg] = true;

        void dump() {
            for (item :in this)
                cout `got $(item.key)\n`;

    # initialize the arg set from the actual args
    ArgSet a = {argv};

    # write the set

Tags: language   compiled   static   object  

Last modified 01 July 2021