Hi Chris, 
something very similar actually used to be a “thing” in squeak back in the olden times.
It was called a “trampoline” iirc.
Might be worth trying to google that ;)
Hth
Torge

Von meinem iPhone gesendet

>> Am 18.04.2020 um 19:55 schrieb Thiede, Christoph <Christoph.Thiede at student.hpi.uni-potsdam.de>:
> 
> d := DynamicObject withMethods: {
> #origin -> [2 @ 3].
> #corner -> [3 @ 7] } asDictionary.
> d origin "2 at 3"
> 
> 
> Did we already have something like this for Squeak? May this become a pattern for situations where you actually don't need a class (e. g., when writing very small mock objects for tests)?
> 
> 
> 
> d := DynamicObject new.
> d xxxMethodAt: #foo put: [self inform: 'Hi!'].
> d xxxMethodAt: #foo: put: [:x | x halt].
> d foo: 3.
> 
> Best,
> Christoph
> <DynamicObject.st>
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