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(#M40030283) C++ question C++ Keep an EYE

What is RTTI?

Asked In C++ MAN (11 years ago)

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Mani kandan  (10 years ago)

Run-time type information (RTTI) is a mechanism that allows the type of an object to be determined during program execution. RTTI was added to the C++ language because many vendors of class libraries were implementing this functionality themselves.

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John Russell Melia Jr.  (6 years ago)

RTTI is an acronym for run time type information. RTTI is a C++ mechanism which allows the type of an object to be determined (or even set) at run-time. RTTI does not exist in Java.

There are three main C++ language elements to run-time type information:
• dynamic_cast operator
• typeid operator
• type_info object which is produced by typeid

The dynamic_cast operator is used for identifying the exact type of an object.
The typeid operator is used to hold the type information returned by the typeid operator.

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