P.S. A more elegant solution is mentioned at the bottom of page
http://wiki.squeak.org/squeak/1824

Smalltalk globals reject: [:each | each class isMeta]

Result attached.



For that to work Environment needs the addition of

reject: aBlock
	^ declarations reject: aBlock

in the 'emulating' instance method protocol

On 4/3/17, H. Hirzel <hannes.hirzel at gmail.com> wrote:
> Hello
>
> The recipe: How to list all global variables [1]
>
> has the code snippet
>
>
>
>     Smalltalk keys
>     select:
>     [:k | ((Smalltalk at: k) isKindOf: Class) not]
>        thenCollect:
>       [:k | k -> (Smalltalk at: k) class]
>
>
> to give a list of global variables.
>
>
> When executing this code the recommendation is to use
>
>     Smalltalk globals
>
> instead of
>
>     Smalltalk keys
>
>
> A  rewrite because of Environments not having #select:thenCollect:  (I
> do not think that is necessary) then is
>
>     (Smalltalk globals select: [:k | ((Smalltalk at: k) isKindOf: Class)
> not])
>        collect:  [:k | k -> (Smalltalk at: k) class]
>
> Then I get 'key not found: ExtendedNumberParser'.
>
> I wonder what is going on here ...
>
> Regards
> Hannes
>
>
> [1] http://wiki.squeak.org/squeak/1824
>
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