libstdc++: std::bad_cast Class Reference

libstdc++

std::bad_cast Class Reference
Diagnostics » Exceptions

`#include <typeinfo>`

Inheritance diagram for std::bad_cast:
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## Public Member Functions
virtual constexpr const char * | what () const noexcept

## Detailed Description

Thrown during incorrect typecasting.

If you attempt an invalid `dynamic_cast` expression, an instance of this class (or something derived from this class) is thrown.

Definition at line 224 of file typeinfo.

## Constructor & Destructor Documentation

## ◆ bad_cast()

std::bad_cast::bad_cast | ( |  | ) |
| inlineconstexprnoexcept

Definition at line 227 of file typeinfo.

## ◆ ~bad_cast()

virtual constexpr std::bad_cast::~bad_cast | ( |  | ) |
| inlineconstexprvirtualnoexcept

Definition at line 231 of file typeinfo.

## Member Function Documentation

## ◆ what()

virtual constexpr const char * std::bad_cast::what | ( |  | ) | const
| inlineconstexprvirtualnoexcept

Returns a C-style character string describing the general cause of the current error.

Reimplemented from std::exception.

Reimplemented in std::experimental::fundamentals_v1::bad_any_cast.

Definition at line 234 of file typeinfo.

The documentation for this class was generated from the following file:

- typeinfo