Arash Arfaee wrote:
Hi All,
Is there anyway to add new in-place operator to Python?
You can't create new syntax, like %=
Or is there any way to redefine internal in-place operators?
What you can do is give your objects the ability to use these operators.
See http://docs.python.org/ref/numeric-types.html for __iadd_ (+=) and
friends.
You could implement something like a string buffer this way:
class Buffer:
def __init__(self):
self.buf = []
def __iadd__(self, item):
self.buf.append(item)
return self
def __str__(self):
return "".join(self.buf)
if __name__ == "__main__":
buf = Buffer()
buf += "str1"
buf += "str2"
print str(buf)
-- Gerhard
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