online compiler and debugger for c/c++

code. compile. run. debug. share.
Source Code   
Language
#include <variant> class C { struct S { int a = 0; }; std::variant<S> test; }; int main() { C ctest; return 0; }

Compiling Program...

Command line arguments:
Standard Input: Interactive Console Text
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#FunctionFile:Line
VariableValue
RegisterValue
ExpressionValue