Re: runtime type checking question

Roger Browne wrote:
> colp wrote:
>> Is there are feature of Eiffel which enables the type of an object to be
>> tested at run-time? I want to be able to test an argument to determine
>> if it is an instance of a base class or of a descendant of that class.
> To test whether 'f' is a FOO, use assignment attempt ("?="):

But this will not work in the case wanted by the original poster, because
the assignment attempt will also succeed if 'f' is a descendent of a FOO.

Another way is to use features from ANY (generating_type etc.) or maybe
also INTERNAL will give the needed information.

Martin
.

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