In a dynamic language, why % operator asks user for type info?
afriere at yahoo.co.uk
Wed Jul 18 04:25:39 CEST 2007
On Jul 17, 5:38 pm, Duncan Booth <duncan.bo... at invalid.invalid> wrote:
> indeed anything which has an __int__ method may be
> passed to the %d formatter:
Anything?! Sorry to be persnickety here, but what about this:
class C :
def __int__ (self) : pass
'%d' % C()
def foo (val) : return val
foo.__int__ = lambda x=42 : int(x)
'%d' % foo('spam')
OK, they can be passed ...
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