Hi Eric,
On 2010-08-04 21:58, Eric J. Van der Velden wrote:
> class C:
> def __init__(self,name):self.name=name
>
> I was wondering if I could make the __init__ a lambda function, but
>
> class C:
> __init__=lambda self,self.name:None
>
> and then later,
>
> C('Hello')
>
> does not work; the first argument, self, is assigned all rigth, but
> you cannot write the second argument with a dot, self.name .
The "problem" is that in a lambda function the part after
the colon has to be an expression. However, you have used
an assignment there which isn't an expression in Python but
a statement.
For example, you can use
f = lambda x: sys.stdout.write(str(x))
(sys.stdout.write(str(x)) is an expression)
but not
f = lambda x: print x
(print x is a statement in Python versions < 3)
Stefan
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