I think you mean lambda's/anonymous functions. Python has closures, It
also has the lambda statement but this is a restricted version of anonymous
functions as you can only have expressions not statements in them.
Closures are functions that have the variables of their enclosing scope
closed over and available to them.
def create_adder(number_to_add=1):
def adder(x):
return x + number_to_add
return adder
use...
adder = create_adder(number_to_add=2)
adder(1) returns 3
On Sun, May 19, 2013 at 10:18 PM, Lex Berezhny <[email protected]> wrote:
> I'm afraid to say this but Dart is actually cool enough to possibly
> obviate the usefulness of pyjs.
>
> Biggest problem with Python in the async context is the lack of closures.
> Without closures working in an async environment is just painful.
>
> I will continue to use Python in the context of Django and a few other
> frameworks but I feel like web technologies are moving too fast for us to
> keep up as an open source project.
>
> We're still trying to catchup with GWT 2.0 and google has already moved
> onto Dart, Web Components, shadow DOM, etc.
>
> Maybe someone has a different perspective. I'm curious to hear what you
> guys think about the future or usefulness of pyjs. Other than familiarity I
> don't see what Python gives us now that there are other OOP languages
> available to program the web UI.
>
> When choosing Python with OOP vs JavaScript with closures, I think OOP is
> more important but now with Dart which offers OOP and closures, it's much
> harder to justify the extra effort to use pyjs.
>
> - lex
>
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