23 lines
657 B
Python
23 lines
657 B
Python
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class Number:
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def __init__(self, value):
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self.value = self.to_number(value)
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def to_number(self, value):
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if isinstance(value, bool):
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return 1 if value else 0
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elif value is None:
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return 0
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elif isinstance(value, (int, float)):
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return float(value)
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elif isinstance(value, str):
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try:
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return float(value)
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except ValueError:
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return float('nan')
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elif isinstance(value, (list, dict)):
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return float('nan')
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else:
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return float('nan')
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def __str__(self):
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return str(self.value)
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