It works for me (I did this in the workspace) :

'test' class ==>  ByteString

'test' asUppercase ==> ‘TEST'

It is difficult to tell from your email what is the problem.   I would recommend that you test little things like
this in a workspace window.  I am suspecting that your method is not being called in the way you think it is.


Sincerely,

Joseph.



> On Mar 8, 2017, at 1:21 PM, alaztetik [via Smalltalk] <[hidden email]> wrote:
>
> Hi everbody,
>
> It is nice to be here with you. This is my first post and I'm very excited!
>
> I'm reading "Squeark by Example" book and encountered an interesting error.
>
> ---
>
> I created a method named "testString" and here is its content:
>
> testShout
>         ^self asUppercase, '!'.
>
> When I test it, it doesn't work and gives this error: doesNotUnderstand:#asUppercase.
>
> But when I replace the text:
>
> testShout
>         ^self opy asString translateToUppercase, '!'
>
> It works! Where am I making a mistake?
>
> If you reply to this email, your message will be added to the discussion below:
> http://forum.world.st/asUppercase-doesn-t-work-tp4937922.html
> To start a new topic under Squeak - Beginners, email [hidden email]
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> NAML


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