# t00032 - Class template with template base classes test case
## Config
```yaml
compilation_database_dir: ..
output_directory: puml
diagrams:
  t00032_class:
    type: class
    glob:
      - ../../tests/t00032/t00032.cc
    using_namespace:
      - clanguml::t00032
    include:
      namespaces:
        - clanguml::t00032

```
## Source code
File t00032.cc
```cpp
#include <memory>
#include <vector>

namespace clanguml {
namespace t00032 {

struct Base {
};

struct TBase {
};

struct A {
    void operator()() { }
};

struct B {
    void operator()() { }
};

struct C {
    void operator()() { }
};

template <typename T, typename L, typename... Ts>
struct Overload : public Base, public T, public Ts... {
    using Ts::operator()...;
    L counter;
};

template <class... Ts> Overload(Ts...) -> Overload<Ts...>;

struct R {
    Overload<TBase, int, A, B, C> overload;
};

} // namespace t00032
} // namespace clanguml

```
## Generated UML diagrams
![t00032_class](./t00032_class.svg "Class template with template base classes test case")