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Merge pull request #460 from Alexolut/patch-5

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changed dot operator to arrow.
This commit is contained in:
Gabriel Dos Reis
2015-12-14 05:33:42 -08:00
parent 1356a6d046 c0a4d1a087
commit 88502c5c27
1 changed files with 2 additions and 2 deletions
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CppCoreGuidelines.md
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@@ -12342,7 +12342,7 @@ Use of these casts can violate type safety and cause the program to access a var
base* p = &d1; // ok, implicit conversion to pointer to base is fine base* p = &d1; // ok, implicit conversion to pointer to base is fine
derived2* p2 = static_cast<derived2*>(p); // BAD, tries to treat d1 as a derived2, which it is not derived2* p2 = static_cast<derived2*>(p); // BAD, tries to treat d1 as a derived2, which it is not
cout << p2.get_s(); // tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1 cout << p2->get_s(); // tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1
##### Example, bad ##### Example, bad
@@ -12423,7 +12423,7 @@ Note that a C-style `(T)expression` cast means to perform the first of the follo
base* p = &d1; // ok, implicit conversion to pointer to base is fine base* p = &d1; // ok, implicit conversion to pointer to base is fine
derived2* p2 = (derived2*)(p); // BAD, tries to treat d1 as a derived2, which it is not derived2* p2 = (derived2*)(p); // BAD, tries to treat d1 as a derived2, which it is not
cout << p2.get_s(); // tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1 cout << p2->get_s(); // tries to access d1's nonexistent string member, instead sees arbitrary bytes near d1
void f(const int& i) { void f(const int& i) {
(int&)(i) = 42; // BAD (int&)(i) = 42; // BAD