python philosophical question - strong vs duck typing
tjreedy at udel.edu
Tue Jan 3 15:38:17 EST 2012
On 1/3/2012 1:13 PM, Sean Wolfe wrote:
> I have a theoretical / philosophical question regarding strong vs duck
> typing in Python. Let's say we wanted to type strongly in Python and
Python objects are strongly typed, in any sensible meaning of the term.
What you mean is statically or explicitly typing names.
> were willing to compromise our code to the extent necessary, eg not
> changing variable types or casting or whatever. Let's say there was a
> methodology in Python to declare variable types.
> The question is, given this possibility, would this get us closer to
> being able to compile down to a language like C or C++?
Cython compiles Python as is to C. It also gives the option to add type
annotations to names to get faster code. Shredskin compiles a subset of
Python, or a subset of usages, to C, with similar benefits.
Terry Jan Reedy
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