Answer by James Hopkin for How do you implement the Singleton design pattern?
Another non-allocating alternative: create a singleton, say of class C, as you need it:singleton<C>()usingtemplate <class X>X& singleton(){ static X x; return x;}Neither this nor...
View ArticleAnswer by T.E.D. for How do you implement the Singleton design pattern?
It is indeed probably allocated from the heap, but without the sources there is no way of knowing.The typical implementation (taken from some code I have in emacs already) would be:Singleton *...
View ArticleAnswer by Cătălin Pitiș for How do you implement the Singleton design pattern?
You could avoid memory allocation. There are many variants, all having problems in case of multithreading environment.I prefer this kind of implementation (actually, it is not correctly said I prefer,...
View ArticleAnswer by Reed Copsey for How do you implement the Singleton design pattern?
Being a Singleton, you usually do not want it to be destructed.It will get torn down and deallocated when the program terminates, which is the normal, desired behavior for a singleton. If you want to...
View ArticleHow do you implement the Singleton design pattern?
Recently I've bumped into a realization/implementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real-life example):// a lot of methods are omitted...
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