clang-uml/docs/test_cases/t20018.md

t20018 - Recursive template sequence diagram test case

Config

compilation_database_dir: ..
output_directory: puml
diagrams:
  t20018_sequence:
    type: sequence
    glob:
      - ../../tests/t20018/t20018.cc
    include:
      namespaces:
        - clanguml::t20018
    using_namespace:
      - clanguml::t20018
    start_from:
      - function: "clanguml::t20018::tmain()"

Source code

File t20018.cc

#include <iostream>

namespace clanguml {
namespace t20018 {

template <int N> struct Factorial {
    static const int value = N * Factorial<N - 1>::value;

    static void print() { Factorial<N - 1>::print(); }
};

template <> struct Factorial<0> {
    static const int value = 1;

    static void print() { std::cout << "Hello world\n"; }
};

void tmain() { Factorial<5>::print(); }
}
}

Generated UML diagrams