On 4/1/07, Gustavo Carneiro <[EMAIL PROTECTED]> wrote:
On 4/1/07, Georg Brandl <[EMAIL PROTECTED]> wrote:
[...]
> Example
> =======
>
> This is the standard ``os.path.normpath`` function, converted to type
> declaration
> syntax::
>
> def normpathƛ(path✎)✎:
> """Normalize path, eliminating double slashes, etc."""
> if path✎ == '':
> return '.'
> initial_slashes✓ = path✎.startswithƛ('/')✓
> # POSIX allows one or two initial slashes, but treats three or
> more
> # as single slash.
> if (initial_slashes✓ and
> path✎.startswithƛ('//')✓ and not
> path✎.startswithƛ('///')✓)✓:
> initial_slashesℕ = 2
> comps♨ = path✎.splitƛ('/')♨
> new_comps♨ = []♨
> for comp✎ in comps♨:
> if comp✎ in ('', '.')⒯:
> continue
> if (comp✎ != '..' or (not initial_slashesℕ and not
> new_comps♨)✓ or
> (new_comps♨ and new_comps♨[-1]✎ == '..')✓)✓:
> new_comps♨.appendƛ(comp✎)
> elif new_comps♨:
> new_comps♨.popƛ()✎
> comps♨ = new_comps♨
> path✎ = '/'.join(comps♨)✎
> if initial_slashesℕ:
> path✎ = '/'*initial_slashesℕ + path✎
> return path✎ or '.'
>
> As you can clearly see, the type declarations add expressiveness, while
> at the
> same time they make the code look much more professional.
Is this supposed to be a joke?
/me ashamed for not having noticed the date of this PEP... :P
--
Gustavo J. A. M. Carneiro
"The universe is always one step beyond logic."
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