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May 14, 2024 03:47
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Allergies [Exercism - Nim]
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| type | |
| Allergen* = enum | |
| Eggs, Peanuts, Shellfish, Strawberries, Tomatoes, Chocolate, Pollen, Cats | |
| proc isAllergicTo*(score: int, allergen: Allergen): bool = | |
| let allergenScore = 1 shl ord(allergen) | |
| return (score and allergenScore) != 0 | |
| proc allergies*(score: int): set[Allergen] = | |
| result = {} | |
| for allergen in Allergen: | |
| let allergenScore = 1 shl ord(allergen) | |
| if (score and allergenScore) != 0: | |
| result.incl(allergen) |
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