Update Example C++ Usage

Author: Behemyth

examples/conan_cmake/library/pyproject.toml

@@ -18,6 +18,8 @@ install-path = "install"
 dependencies = ["fmt>=12.1.0"]
 
 
+[tool.cppython.generators.cmake]
+
 [tool.cppython.providers.conan]
 
 [tool.pdm]

examples/conan_cmake/library/src/mathutils.ixx

@@ -52,7 +52,7 @@ namespace mathutils
     void print_result(const char *operation, double a, double b, double result)
     {
         fmt::print(fg(fmt::terminal_color::green),
-                   "MathUtils {}: {} + {} = {}\n",
+                   "MathUtils {}: ({}, {}) = {}\n",
                    operation, a, b, result);
     }
 }

examples/conan_cmake/library/test_package/main.cpp

@@ -3,11 +3,10 @@ import std;
 
 int main()
 {
-    // Test the mathutils library
     std::cout << "Testing MathUtils library..." << std::endl;
 
-    double result1 = mathutils::add(5.0, 3.0);
-    double result2 = mathutils::multiply(4.0, 2.5);
+    std::cout << "add(5, 3) = " << mathutils::add(5.0, 3.0) << std::endl;
+    std::cout << "multiply(4, 2.5) = " << mathutils::multiply(4.0, 2.5) << std::endl;
 
     std::cout << "MathUtils tests completed successfully!" << std::endl;
     return 0;