[Python-Dev] Ruby-style Blocks in Python [Pseudo-PEP]
matthew at matthewwilkes.co.uk
Sun Mar 8 17:02:33 CET 2009
On 8 Mar 2009, at 15:13, tav wrote:
> Apologies for bringing up an old issue, but I think I've worked out a
> Pythonic syntax for doing Ruby-style blocks. The short of it is:
> with employees.select do (emp):
> if emp.salary > developer.salary:
> return fireEmployee(emp)
> return extendContract(emp)
My train of thought when seeing this:
1. Ok, "with" it's a context manager.
2. Huh, no it's not, "do", it's a loop.
3. What on earth is emp? Where's that defined? Why the parens?
4. Where do those returns return to?
5. I have no idea what this does.
Ah, now, reading your Python alternative, defining a function then
passing it is, it's more clear.
This is completely incomprehensible to me, it doesn't feel like
python. I'd rather define the throwaway function, anonymous callables
that do complex things aren't my kind of thing. Give them a sensible
name, put them in a utils module, and import it where needed, it's
More information about the Python-Dev