Code block literals

[Mike Rovner]

Dave Benjamin wrote:
> Mike Rovner wrote:
>> Unnamed code blocks considered evil :), use named instead
>> (functions).
>
> Why are they evil? Does being anonymous automatically make you evil?
>
> For instance, I always thought this was a cooler alternative to the
> try/finally block to ensure that a file gets closed (I'll try not to
> mess up this time... ;) :
>
> open('input.txt', { |f|
>      do_something_with(f)
>      do_something_else_with(f)
> })
>
> Rather than:
>
> f = open('input.txt')
> try:
>      do_something_with(f)
>      do_something_else_with(f)
> finally:
>      f.close()

"Explicit is better than implicit"

Even your example clearly shows that try block is much more readable and
understandable.
That's why it's being considered evil by majority of python developers.

> But the anonymous version still looks more concise to me.

Python prioritize things diferently than other languages.
It's not an APL. "Readability counts"

> Yeah, wasn't something like that up on ASPN? That's an interesting
> trick... are you sure it's not supposed to be "property(*aprop())"
> though? (who's being pedantic now? =)

Yeah, right. Thanks for pointing out.

Mike