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with builtins;
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let
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s = "foobar";
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in
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substring 1 2 s
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+ "x"
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+ substring 0 (stringLength s) s
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+ "y"
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+ substring 3 100 s
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+ "z"
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+ substring 2 (sub (stringLength s) 3) s
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+ "a"
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+ substring 3 0 s
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+ "b"
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+ substring 3 1 s
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+ "c"
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|
+ substring 5 10 "perl"
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+ "_"
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+ substring 3 (-1) "tebbad"
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