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13 lines
224 B
Lox
13 lines
224 B
Lox
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{
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fun isEven(n) {
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if (n == 0) return true;
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return isOdd(n - 1); // expect runtime error: Undefined variable 'isOdd'.
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}
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fun isOdd(n) {
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if (n == 0) return false;
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return isEven(n - 1);
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}
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isEven(4);
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}
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