A 'Python like' language
gerrit at nl.linux.org
Tue Mar 30 14:55:35 CEST 2004
Mark Hahn wrote:
> > --Take advantage of iterators early on for return values to avoid
> > things like having both dict.items() and dict.iteritems().
> Interestiong idea. Generators are fully supported so I could do this now.
> So gens would have to be allowed absolutely everywhere lists are allowed (is
> trhis possible?). Or are you thinking the user should type
> List(dict.items()) ?
If it would be a list, yes, or maybe even dict.items().aslist() or
similar. This because it is quite random for keys to be a list: it could
be a set. This has the advantage that one can do as in Ruby:
myobj.methods() - parent.methods(). But I'm not sure whether parent.methods()
is applicable to a prototype-based language.
> > --Functions that return multiple, but unique, values should return a
> > set, not a list, to communicate same (ex: dict.keys(), dir(), etc.).
> Also cool.
It also applies to dict.items(). This could be either a generator or a
> > --Dict should inherit from Set.
> Also cool (I feel like the credits of Holy Grail saying Also wik).
I have read (in c.l.py) that in Smalltalk, a Dict is a Set of Associates
or something similar. I don't know Smalltalk, but I like this idea of a
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