[Glass] write stream problem with quotes

Use

String new

rather than


''








Mariano Martinez Peck wrote

> Hi guys,
>
> I am trying to write a stream and this simply fails:
>
> '' writeStream nextPutAll: ' '' '
>
> with a
>
> a ArgumentTypeError occurred (error 2031), reason:markWritten.a, Attempt
> to
> modify invariant object,
>
> Any idea?
>
> thanks
>
> --
> Mariano
> http://marianopeck.wordpress.com
>

> _______________________________________________
> Glass mailing list

> Glass@.gemtalksystems

> http://lists.gemtalksystems.com/mailman/listinfo/glass





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Paul is correct ... the literal strings are invariant, so you can't accidentally or on purpose change the semantics of a compiled method by fiddling with a String literal ...

You can create your own invariant objects if you want to (invariant objects are useful in some contexts) by sending the #immediateInvariant and test using #isInvairant ... 

Dale

On Fri, Feb 14, 2014 at 4:25 PM, Paul DeBruicker <[hidden email]> wrote:

Use

String new

rather than


''








Mariano Martinez Peck wrote

> Hi guys,
>
> I am trying to write a stream and this simply fails:
>
> '' writeStream nextPutAll: ' '' '
>
> with a
>
> a ArgumentTypeError occurred (error 2031), reason:markWritten.a, Attempt
> to
> modify invariant object,
>
> Any idea?
>
> thanks
>
> --
> Mariano
> http://marianopeck.wordpress.com
>

> _______________________________________________
> Glass mailing list

> Glass@.gemtalksystems

> http://lists.gemtalksystems.com/mailman/listinfo/glass





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