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Showing content from https://cplusplus.com/reference/stdexcept/overflow_error/ below:

class

<stdexcept>

std::overflow_error

Overflow error exception


This class defines the type of objects thrown as exceptions to arithmetic overflow errors.

It is a standard exception that can be thrown by programs. Some components of the standard library also throw exceptions of this type to signal range errors.

It is defined as:


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class overflow_error : public runtime_error {
public:
  explicit overflow_error (const string& what_arg);
};
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class overflow_error : public runtime_error {
public:
  explicit overflow_error (const string& what_arg);
  explicit overflow_error (const char* what_arg);
};

Members
constructor
The string passed as what_arg has the same content as the value returned by member what.

The class inherits the what member function from runtime_error.

Exception safetyStrong guarantee: if the constructor throws an exception, there are no side effects.

See also
exception
Standard exception class (class)
logic_error
Logic error exception (class)
runtime_error
Runtime error exception (class)
range_error
Range error exception (class)
underflow_error
Underflow error exception (class)

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