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33 lines
555 B
C
33 lines
555 B
C
module foo;
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import std::io;
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tlocal String context_user = "safe";
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macro long reallyPerform(task)
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{
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io::printfn("%s: %s", context_user, task);
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return task.len;
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}
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macro long perform(task)
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{
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return reallyPerform(task);
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}
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macro @with_mode(String user, #action, ...)
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{
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@scope(context_user)
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{
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context_user = user;
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return #action($vasplat());
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};
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}
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fn void main()
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{
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long val1 = perform("something");
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long val2 = @with_mode("faster", perform, "reliable");
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long val3 = perform(String[] {"something"});
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io::printfn("%d %d %d", val1, val2, val3);
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}
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