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c++ Programming Glossary: permittedunion for uint32_t and uint8_t[4] undefined behavior? http://stackoverflow.com/questions/10271929/union-for-uint32-t-and-uint8-t4-undefined-behavior POD structs that share a common initial sequence ... it is permitted to inspect the common initial sequence of any of POD struct..
Why is copy constructor called instead of conversion constructor? http://stackoverflow.com/questions/11222076/why-is-copy-constructor-called-instead-of-conversion-constructor copy initialization. In certain cases an implementation is permitted to eliminate the copying inherent in this direct initialization..
Why are redundant scope qualifications supported by the compiler, and is it legal? http://stackoverflow.com/questions/12135498/why-are-redundant-scope-qualifications-supported-by-the-compiler-and-is-it-lega or too short I'm curious why redundant qualifications are permitted on the definition emphasis also added above . Clang an Apple's..
Standard Library Containers with additional optional template parameters? http://stackoverflow.com/questions/1469743/standard-library-containers-with-additional-optional-template-parameters standard is clear as written. Library implementors are not permitted to add template parameters to standard library classes. This.. This does not fall under the as if rule so it would be permitted only if the standard gave explicit license for implementors..
When should std::move be used on a function return value? http://stackoverflow.com/questions/14856344/when-should-stdmove-be-used-on-a-function-return-value an rvalue. return foo is a case of NRVO so copy elision is permitted. foo is an lvalue. So the constructor selected for the copy.. an lvalue can be replaced by a move. The compiler is not permitted in general to detect that an lvalue is unused after the copy..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object sample above because calls to non constant functions are permitted. For instance ref could modify the temporary object. In addition..
casting via void* instead of using reinterpret_cast http://stackoverflow.com/questions/1863069/casting-via-void-instead-of-using-reinterpret-cast improve this question For types for which such cast is permitted e.g. if T1 is a POD type and T2 is unsigned char the approach..
pure virtual function with implementation http://stackoverflow.com/questions/2089083/pure-virtual-function-with-implementation a common set of functionality. Note that even though it's permitted by the language it's not something that I see commonly used..
What is the difference between #include <filename> and #include “filename”? http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename line that does not match one of the two previous forms is permitted. The preprocessing tokens after include in the directive are..
How to initialise memory with new operator in C++? http://stackoverflow.com/questions/2204176/how-to-initialise-memory-with-new-operator-in-c useful for default initialization . This is explicitly permitted by ISO C 03 5.3.4 expr.new 15 which says A new expression that..
Why does C++ disallow anonymous structs and unions? http://stackoverflow.com/questions/2253878/why-does-c-disallow-anonymous-structs-and-unions question As others have pointed out anonymous unions are permitted in standard C but anonymous structs are not. The reason for..
Purpose of Unions in C and C++ http://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c type contains one of the standard layout structs it is permitted to inspect the common initial sequence of any of standard layout..
http://stackoverflow.com/questions/2632021/can-sizeof-return-0-zero type shall have nonzero size. In C an empty struct is not permitted except by extension or a flaw in the compiler . This is a consequence.. the behavior is undefined . If a zero sized structure is permitted then it's a language extension or a flaw in the compiler . For..
How are local and global variables initialized by default? http://stackoverflow.com/questions/3553559/how-are-local-and-global-variables-initialized-by-default before its block is first entered. An implementation is permitted to perform early initialization of other local objects with.. under the same conditions that an implementation is permitted to statically initialize an object with static storage duration..
C++ for-loop - size_type vs. size_t http://stackoverflow.com/questions/4849678/c-for-loop-size-type-vs-size-t of containers described in this International Standard are permitted to assume that their Allocator template parameter meets the..
What is the correct link options to use std::thread in GCC under linux? http://stackoverflow.com/questions/8649828/what-is-the-correct-link-options-to-use-stdthread-in-gcc-under-linux an instance of 'std system_error' what Operation not permitted Aborted My compiler version g version g Ubuntu Linaro 4.6.1..
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