# t20037 - Test case checking if activities in static variable declarations appear only once
## Config
```yaml
diagrams:
  t20037_sequence:
    type: sequence
    glob:
      - t20037.cc
    include:
      namespaces:
        - clanguml::t20037
    using_namespace: clanguml::t20037
    from:
      - function: "clanguml::t20037::tmain(int,char **)"
```
## Source code
File t20037.cc
```cpp
namespace clanguml {
namespace t20037 {

struct A {
    A()
        : a{100}
    {
    }

    int a;
};

struct B {
    int get() { return b; }

    int b{100};
};

B initb() { return B{}; }

int c() { return 1; }

int a()
{
    static A a;
    static B b = initb();

    return a.a + b.get() + c();
}

void tmain(int argc, char **argv)
{
    auto a1 = a();
    auto a2 = a();
    auto a3 = a();
}
}
}
```
## Generated PlantUML diagrams
![t20037_sequence](./t20037_sequence.svg "Test case checking if activities in static variable declarations appear only once")
## Generated Mermaid diagrams
![t20037_sequence](./t20037_sequence_mermaid.svg "Test case checking if activities in static variable declarations appear only once")
## Generated JSON models
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}
```