52 lines
1.1 KiB
Markdown
52 lines
1.1 KiB
Markdown
# t20018 - Recursive template sequence diagram test case
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## Config
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```yaml
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compilation_database_dir: ..
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output_directory: puml
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diagrams:
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t20018_sequence:
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type: sequence
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glob:
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- ../../tests/t20018/t20018.cc
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include:
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namespaces:
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- clanguml::t20018
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using_namespace:
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- clanguml::t20018
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start_from:
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- function: "clanguml::t20018::tmain()"
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```
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## Source code
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File t20018.cc
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```cpp
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#include <iostream>
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namespace clanguml {
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namespace t20018 {
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template <int N> struct Factorial {
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static const int value = N * Factorial<N - 1>::value;
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static void print(int answer) { Factorial<N - 1>::print(answer); }
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};
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template <> struct Factorial<0> {
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static const int value = 1;
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static void print(int answer)
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{
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std::cout << "The answer is " << answer << "\n";
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}
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};
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template <typename T, int N = T::value> struct Answer {
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static void print() { T::print(N); }
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};
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void tmain() { Answer<Factorial<5>>::print(); }
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}
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}
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```
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## Generated UML diagrams
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