46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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class BoundedInt():
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def __init__(self, i, min, max):
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"""
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Create a bounded integer.
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Args:
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i (int): The initial value of the integer.
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min (int): The minimum value of the integer.
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max (int): The maximum value of the integer.
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"""
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self.i = i
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self.min = min
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self.max = max
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def __int__(self):
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"""
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Convert the bounded integer to int.
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Returns:
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int: The value of the bounded integer.
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"""
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return self.i
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def __add__(self, other):
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if isinstance(other, BoundedInt):
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if self.i + other.i > self.max:
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raise ValueError("Addition exceeds maximum value")
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return BoundedInt(self.i + other.i, self.min, self.max)
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elif isinstance(other, int):
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if self.i + other > self.max:
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raise ValueError("Addition exceeds maximum value")
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return BoundedInt(self.i + other, self.min, self.max)
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else:
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raise TypeError("Unsupported operand type")
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def __sub__(self, other):
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if isinstance(other, BoundedInt):
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if self.i - other.i < self.min:
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raise ValueError("Subtraction exceeds minimum value")
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return BoundedInt(self.i - other.i, self.min, self.max)
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elif isinstance(other, int):
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if self.i - other < self.min:
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raise ValueError("Subtraction exceeds minimum value")
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return BoundedInt(self.i - other, self.min, self.max)
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else:
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raise TypeError("Unsupported operand type")
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