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Updates docs about exceptions being on the stack/heap.

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Grzegorz Adam Hankiewicz 2012-11-08 17:37:55 +01:00
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doc/tut2.txt
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@ -361,7 +361,8 @@ prefixed with an 'E', not 'T'. The `system <system.html>`_ module defines an
exception hierarchy that you might want to stick to. Exceptions derive from exception hierarchy that you might want to stick to. Exceptions derive from
E_Base, which provides the common interface. E_Base, which provides the common interface.
Exceptions should be allocated on the heap because their lifetime is unknown. Exceptions have to be allocated on the heap because their lifetime is unknown.
The compiler will prevent you from raising an exception created on the stack.
All raised exceptions should at least specify the reason for being raised in All raised exceptions should at least specify the reason for being raised in
the ``msg`` field. the ``msg`` field.