+1 nice!

Le mar. 23 juin 2020 à 20:23, Eliot Miranda <eliot.miranda at gmail.com> a
écrit :

> Hi All,
>
>     I juts had occasion to use generators in anger for the first time.  I
> was trying to fnd out why a clone of a prse tree was reporting that it was
> not the same tree.  Generators made enumerating all nodes in each tree
> together trivial:
>
> | them |
> them := Generator on: [:g| newTree nodesDo: [:n| g yield: n]].
> parseTree nodesDo:
> [:n| | twin |
> twin := them next.
> (n isSameAs: twin) ifFalse:
> [self halt]]
>
> My message though comes from noticing that generators yield their values
> via next, so why not use nextPut: instead of yield: ?
>
> e.g. I think this is better:
>
> | them |
> them := Generator on: [:g| newTree nodesDo: [:n| g nextPut: n]].
> parseTree nodesDo:
> [:n| | twin |
> twin := them next.
> (n isSameAs: twin) ifFalse:
> [self halt]]
>
> _,,,^..^,,,_
> best, Eliot
>
>
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