pantry/projects/github.com/TartanLlama/expected/package.yml

distributable:
  url: https://github.com/TartanLlama/expected/archive/refs/tags/v{{version}}.tar.gz
  strip-components: 1

versions:
  github: TartanLlama/expected

aka: tl-expected

build:
  dependencies:
    cmake.org: ^3
  working-directory: build
  script:
    - cmake ..
      -DCMAKE_INSTALL_PREFIX={{prefix}}
      -DCMAKE_BUILD_TYPE=Release

    - make --jobs {{ hw.concurrency }} install

test:
  fixture: |
    #include <iostream>
    #include <tl/expected.hpp>

    tl::expected<int, std::string> divide(int a, int b) {
      if (b == 0) {
        return tl::make_unexpected("Division by zero");
      }
      return a / b;
    }

    int main() {
      auto result = divide(10, 5);
      if (result) {
        std::cout << "Result: " << *result << std::endl;
      } else {
        std::cout << "Error: " << result.error() << std::endl;
      }

      result = divide(2, 0);
      if (result) {
        std::cout << "Result: " << *result << std::endl;
      } else {
        std::cout << "Error: " << result.error() << std::endl;
      }
      return 0;
    }    
  script: |
    mv $FIXTURE b.cpp
    c++ b.cpp -std=c++17
    out="$(./a.out)"
    test "$out" = "Result: 2
    Error: Division by zero"