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C++ destructors

C++ reference for c++ destructors.

Syntax

class File {
public:
  ~File() { /* release resource */ }
};

Examples

C++ destructors example

A focused example you can adapt while practising.

class File {
public:
  ~File() { /* release resource */ }
};

Best practices

  • Start with the smallest working example, then adapt it to your project.
  • Use the language’s standard library and idioms before introducing extra dependencies.

At a glance

Purpose
Systems and general-purpose software
File extension
.cpp · .hpp
Runs in
Compiled native applications
Usually used with
Compiler and standard library

Specifications & further reading

Related C++ documentation

C++ Classes & RAII
Classes group data and functions. Constructors establish valid state. C++ uses RAII: an object owns a resource for its lifetime and releases it in its destructor.C++ structs
C++ reference for c++ structs.C++ class access control
C++ reference for c++ class access control.C++ constructor initializer lists
C++ reference for c++ constructor initializer lists.