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TOPIC: Definition/discussion of Components of Compatible Type

Definition/discussion of Components of Compatible Type 17 Jan 2005 12:56 #6788

Dear All,



Can someone point me to the thread that best discusses defines
Components that are of Compatible Type? For some reason, I have missed
a lot of the TTCN-3 list discussions in the past 5 months. Are there
some examples of components that are type compatible? I find the TTCN-3
base spec a little obscure in this area.



Thanks much,

Scott
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Definition/discussion of Components of Compatible Type 17 Jan 2005 14:00 #6789

Hi,

yes, the standard could be clearer in this regard.

Anyway, here is the deal:


Behaviour (function, altstep) that 'runs on' component type A may be
invoked/activated on a component of type B when B declares the same
component members (ports, consts, timer, variables) of the same types,
names, and initial values as A.

Also, in that case, a component reference of type B can be assigned to a
variable of type A.

The upcoming version of the standard includes an extension mechanism for
component types that makes exploiting this 'runs on' compatibility to
write re-usable behaviour a little bit more convenient to use.

I hope this help!

BR

Stephan


On Mon, 2005-01-17 at 14:56, ext Scott Moseley wrote:
> Dear All,
>
>
>
> Can someone point me to the thread that best discusses defines
> Components that are of Compatible Type? For some reason, I have
> missed a lot of the TTCN-3 list discussions in the past 5 months. Are
> there some examples of components that are type compatible? I find
> the TTCN-3 base spec a little obscure in this area.
>
>
>
> Thanks much,
>
> Scott
>
>
The administrator has disabled public write access.
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