ILE C/C++ Language Reference
An argument in the catch argument of a handler matches an argument
in the assignment_expression of the throw
expression (throw argument) if any of the following conditions is
met:
- The catch argument type matches the type of the thrown object.
- The catch argument is a public base class of the thrown class
object.
- The catch specifies a pointer type, and the thrown object is a
pointer type that can be converted to the pointer type of the catch
argument by standard pointer conversion.
Note:
If the type of the thrown object is const or volatile,
the catch argument must also be a const or volatile for
a match to occur. However, a const, volatile,
or reference type catch argument can match a nonconstant, nonvolatile,
or nonreference object type. A nonreference catch argument type matches
a reference to an object of the same type.
Related information
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