iskm/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2025-04-27 07:33:57 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

More explanation on virtual destructors

Browse Source
This commit is contained in:
Alva Connor Waters 2015-10-02 15:55:05 +00:00
parent ae86e4ebab
commit 455afa3a7b
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
c++.html.markdown
View File

@ -349,7 +349,10 @@ public:
// These are called when an object is deleted or falls out of scope. // These are called when an object is deleted or falls out of scope.
// This enables powerful paradigms such as RAII // This enables powerful paradigms such as RAII
// (see below) // (see below)
// Destructors must be virtual to allow classes to be derived from this one. // Destructors should be virtual if a class is to be derived from;
// if they are not virtual, then any resources allocated using RAII in
// the derived class will not be released if it destroyed through a
// base-class reference or pointer.
virtual ~Dog(); virtual ~Dog();
}; // A semicolon must follow the class definition. }; // A semicolon must follow the class definition.