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rch/example.py

Created February 3, 2014 20:37
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Lepl Example
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example.py
>>> value = Token(UnsignedReal())
>>> symbol = Token('[^0-9a-zA-Z \t\r\n]')
>>> number = Optional(symbol('-')) + value >> float
>>> add = number & ~symbol('+') & number > sum
>>> add.parse('12+30')
[42.0]
>>> add.parse('12 + -30')
[-18.0]
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