[fpc-devel] Dangerous optimization in CASE..OF

[Ondrej Pokorny]

On 02.07.2017 18:49, Jonas Maebe wrote:
> No, there is no built-in checked conversion from integer to arbitrary 
> enumeration types. That's why I suggested in the bug report that 
> started this thread to file a feature request for such a conversion.

Very good :)

>> Are there any disadvantages of the enum-AS operator that prevents its 
>> introduction?
>
> Someone else could already have code that overloads the AS-operator in 
> this way, and such a change would break this (you cannot overload 
> operators with a built-in meaning). I would be in favour of a new 
> intrinsic.

If I am not mistaken, the AS operator cannot be overloaded - so no 
chance to break legacy code here.

Ondrej
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