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c++: union -> struct, explanation?...

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Use of a Union to avoid Dynamic Allocation Headaches...

Assignment to unions of members...

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Incremental Union?...

how to place struct in union...

Union struct produces garbage and general question about struct nomenclature...

Is the use of union in this matrix class completely safe?...

Statically initialize anonymous union in C++...

Using a union for multiple interpretations of IP address?...

Templated << friend not working when in interrelationship with other templated union types...

Question about unions and heap allocated memory...

C++ unrestricted union workaround...

Error: copy assignment operator not allowed in union...

Using a C++ union, when which member you want is unknown...

union in C++ and non-default constructible objects...

generically convert from boost::variant<T> to type...

Why can't anonymous unions contain members with non-trivial constructors/destructors?...

memory alignment issues with union...

Most performant way to inherit structs in C++?...

Struct->Union-Struct...

c++ casting a union to one of its member types...

Constructing struct within union...

... with constructor not allowed in union problem...

Is using an union in place of a cast well defined?...

Getting a pointer to a variable in a union...

a point from ISO document: based on Anonymous Unions...