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c++ Programming Glossary: getaHow to return member that can be changed? http://stackoverflow.com/questions/11744265/how-to-return-member-that-can-be-changed of Foo can be multi thread. class Foo public const A getA return a_ has guard void setA A newA a_ newA has guard private.. setA A newA a_ newA has guard private A a_ caller A a foo.getA in another question that i asked someone told me that If you.. even if call to setA on foo done right after i call to getA but a lot of argument against it was araised so i feel that..
Why parameters of universal reference needs to be casted, before used? http://stackoverflow.com/questions/12837327/why-parameters-of-universal-reference-needs-to-be-casted-before-used std cout destr std endl void bar std cout bar std endl A getA A a return a template typename T void callBar T a std forward.. n1 std endl A a callBar a std cout n2 std endl callBar getA As expected the output is 1 constr bar destr 2 constr move..
C++ Static member initalization (template fun inside) http://stackoverflow.com/questions/1819131/c-static-member-initalization-template-fun-inside string mA static InitHelper mInit static const std string getA return mA std string A mA A InitHelper A mInit template class.. B T mInit int main int argc char argv std cout A A getA std endl std cout B B int getB std endl 1 B int getHelper 2..
What does '&' do in a C++ declaration? http://stackoverflow.com/questions/1943276/what-does-do-in-a-c-declaration Big expensive to copy class class B public A const getA return mA private A mA void someFunction B b B Access A ability.. since reference is guaranteed to be valid. int value b.getA .bar You have to of course be careful to not return invalid..
C++ inline member function in .cpp file http://stackoverflow.com/questions/3992980/c-inline-member-function-in-cpp-file #pragma once class A forward declaration class B inline A getA Due to the circular include I have to put the implementation.. the circular include I have to put the implementation of getA into B.cpp #include B.h #include A.h inline A B getA return.. of getA into B.cpp #include B.h #include A.h inline A B getA return A Will the compiler inline getA If so which inline keyword..
Designing a thread-safe copyable class http://stackoverflow.com/questions/5070161/designing-a-thread-safe-copyable-class boost mutex myMutex cSomeClass A public cSomeClass getA boost mutex scoped_lock lock myMutex return A The problem is.. static boost mutex myMutex cSomeClass A public cSomeClass getA boost mutex scoped_lock lock myMutex return A The disadvantage.. cSafe boost mutex myMutex cSomeClass A public cSomeClass getA boost mutex scoped_lock lock myMutex return A copy constructor..
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