clang-uml/docs/test_cases/t20004.md

t20004 - Function template instantiation sequence diagram test case

Config

compilation_database_dir: ..
output_directory: puml
diagrams:
  t20004_sequence:
    type: sequence
    glob:
      - ../../tests/t20004/t20004.cc
    include:
      namespaces:
        - clanguml::t20004
    using_namespace:
      - clanguml::t20004
    from:
      - function: "clanguml::t20004::main()"

Source code

File t20004.cc

#include <string>

namespace clanguml {
namespace t20004 {

template <typename T> T m4(T p);

template <> [[maybe_unused]] int m4<int>(int p) { return p + 2; }

template <> [[maybe_unused]] unsigned long m4<unsigned long>(unsigned long p)
{
    return 1000 * p;
}

template <typename T> T m3(T p) { return m4<T>(p); }

template <typename T> T m2(T p) { return m3<T>(p); }

template <> [[maybe_unused]] std::string m2<std::string>(std::string p)
{
    return std::string{"m2"} + p;
}

template <typename T> T m1(T p) { return m2<T>(p); }

template <> [[maybe_unused]] float m1<float>(float p) { return 2 * p; }

template <> [[maybe_unused]] unsigned long m1<unsigned long>(unsigned long p)
{
    return m4<unsigned long>(p);
}

template <> [[maybe_unused]] std::string m1<std::string>(std::string p)
{
    return m2<std::string>(p);
}

int main()
{
    m1<float>(2.2);

    m1<unsigned long>(100);

    m1<std::string>("main");

    return m1<int>(0);
}
}
}

Generated UML diagrams

Generated JSON models

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