Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://cplusplus.com/reference/exception/exception/~exception/ below:

public virtual member function

<exception>

virtual ~exception throw();

Destroy exception

As a virtual function, derived classes may redefine its behavior.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

// exception virtual destructor
#include <iostream>       // std::cout
#include <exception>      // std::exception
#include <cstring>        // std::strlen, std::strcpy

// text_exception uses a dynamically-allocated internal c-string for what():
class text_exception : public std::exception {
  char* text_;
public:
  text_exception(const char* text) {
    text_ = new char[std::strlen(text)+1]; std::strcpy (text_,text);
  }
  text_exception(const text_exception& e) {
    text_ = new char[std::strlen(e.text_)+1]; std::strcpy (text_,e.text_);
  }
  ~text_exception() throw() {
    delete[] text_;
  }
  const char* what() const noexcept {return text_;}
};

int main () {
  try {
      throw text_exception("custom text");
  } catch (std::exception& ex) {
      std::cout << ex.what();
  }
  return 0;
}

exception::exception

Construct exception (public member function)

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4