[Python-ideas] ML Style Pattern Matching for Python

[spir]

On Sun, 19 Dec 2010 12:03:43 +1100
Steven D'Aprano <steve at pearwood.info> wrote:

> > List comprehensions are also cryptic if you see them for the first time. The 
> > curly brackets with bars "{| |}" should symbolize that Python object are 
> > glorified dicts. It is also quite close to Ocaml's syntax for records.   
> 
> Not really. A list comp looks like a cross between a list and a 
> for-loop, which is exactly what a list comp is.

And actually python (composite) objects, conceptually, are closer to named tuples than to dicts; composite objects are _not_ collections. That they are based on dicts is, imo, an implementation detail. For this reason, I'm pleased their dict attr is weirdly called "__dict__".

Denis
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vit esse estrany ☣

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