StarMirror/CppCoreGuidelines
1
0
Fork 0
mirror of https://github.com/isocpp/CppCoreGuidelines.git synced 2024-03-22 13:30:58 +08:00
Code Issues Projects Releases Wiki Activity

fix varname

Browse Source
This commit is contained in:
Thibault Kruse 2016-08-24 12:46:38 +02:00
parent a361c37f5e
commit 7c991f0e7e
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
CppCoreGuidelines.md
View File

@ -16997,10 +16997,10 @@ Use of these casts can violate type safety and cause the program to access a var
};
Derived1 d1;
Base* p = &d1; // ok, implicit conversion to pointer to Base is fine
Base* p1 = &d1; // ok, implicit conversion to pointer to Base is fine
// BAD, tries to treat d1 as a Derived2, which it is not
Derived2* p2 = static_cast<Derived2*>(p);
Derived2* p2 = static_cast<Derived2*>(p1);
// tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1
cout << p2->get_s();
@ -17136,7 +17136,7 @@ Note that a C-style `(T)expression` cast means to perform the first of the follo
Base* p1 = &d1; // ok, implicit conversion to pointer to Base is fine
// BAD, tries to treat d1 as a Derived2, which it is not
Derived2* p2 = (Derived2*)(p);
Derived2* p2 = (Derived2*)(p1);
// tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1
cout << p2->get_s();