Fix

Author: anlowee

src/ystdlib/error_handling/Result.hpp

@@ -1,11 +1,12 @@
 #ifndef YSTDLIB_ERROR_HANDLING_RESULT_HPP
 #define YSTDLIB_ERROR_HANDLING_RESULT_HPP
 
+#include <system_error>
+
 #include <boost/outcome/config.hpp>
 #include <boost/outcome/std_result.hpp>
 #include <boost/outcome/success_failure.hpp>
 #include <boost/outcome/try.hpp>
-#include <system_error>
 
 namespace ystdlib::error_handling {
 /**
@@ -18,16 +19,34 @@ namespace ystdlib::error_handling {
  * @tparam ReturnType The type returned on success.
  * @tparam ErrorType The type used to represent errors.
  */
-template <typename ReturnType, typename ErrorType = std::error_code>
-using Result = BOOST_OUTCOME_V2_NAMESPACE::std_result<ReturnType, ErrorType>;
+    template <typename ReturnType, typename ErrorType = std::error_code>
+    using Result = BOOST_OUTCOME_V2_NAMESPACE::std_result<ReturnType, ErrorType>;
 
 /**
  * @return A value indicating successful completion of a function that returns a void result (i.e.,
  * `Result<void, E>`).
  */
-[[nodiscard]] inline auto success() -> BOOST_OUTCOME_V2_NAMESPACE::success_type<void> {
-    return BOOST_OUTCOME_V2_NAMESPACE::success();
-}
+    [[nodiscard]] inline auto success() -> BOOST_OUTCOME_V2_NAMESPACE::success_type<void> {
+        return BOOST_OUTCOME_V2_NAMESPACE::success();
+    }
+
+/**
+ * A function-style macro that emulates Rust’s try (`?`) operator for error propagation.
+ *
+ * @param expr An expression that evaluates to a `Result` object.
+ *
+ * Behavior:
+ * - If `expr` represents an error (i.e., `expr.has_error()` returns true), the macro performs an
+ *   early return from the enclosing function with the contained error.
+ * - Otherwise, it unwraps and yields the successful value as an rvalue reference (`expr.value()`).
+ *
+ * NOTE: This macro is only supported on GCC and Clang due to reliance on compiler-specific
+ * extensions.
+ */
+#ifdef BOOST_OUTCOME_TRYX
+    // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+    #define YSTDLIB_ERROR_HANDLING_TRYX(expr) BOOST_OUTCOME_TRYX(expr)
+#endif
 
 /**
  * A function-style macro for propagating errors from expressions that evaluate to a void result
@@ -42,8 +61,6 @@ using Result = BOOST_OUTCOME_V2_NAMESPACE::std_result<ReturnType, ErrorType>;
  */
 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
 #define YSTDLIB_ERROR_HANDLING_TRYV(expr) BOOST_OUTCOME_TRYV(expr)
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define YSTDLIB_ERROR_HANDLING_TRY(val, expr) BOOST_OUTCOME_TRY(auto &&(val), (expr))
 }  // namespace ystdlib::error_handling
 
 #endif  // YSTDLIB_ERROR_HANDLING_RESULT_HPP

src/ystdlib/error_handling/test/test_Result.cpp

@@ -88,8 +88,7 @@ TEST_CASE("test_result_int_in_main", "[error_handling][Result]") {
 
 TEST_CASE("test_result_int_propagate", "[error_handling][Result]") {
     auto main_func = [&](bool is_error) -> Result<int> {
-        YSTDLIB_ERROR_HANDLING_TRY(value, cIntFunc(is_error));
-        return value;
+        return YSTDLIB_ERROR_HANDLING_TRYX(cIntFunc(is_error));
     };
     auto const main_no_error{main_func(false)};
     REQUIRE_FALSE(main_no_error.has_error());
@@ -127,8 +126,7 @@ TEST_CASE("test_result_unique_ptr_in_main", "[error_handling][Result]") {
 
 TEST_CASE("test_result_unique_ptr_propagate", "[error_handling][Result]") {
     auto main_func = [&](bool is_error) -> Result<std::unique_ptr<int>> {
-        YSTDLIB_ERROR_HANDLING_TRY(value, cUniquePtrFunc(is_error));
-        return value;
+        return YSTDLIB_ERROR_HANDLING_TRYX(cUniquePtrFunc(is_error));
     };
     auto const main_no_error{main_func(false)};
     REQUIRE_FALSE(main_no_error.has_error());

taskfiles/lint-cmake.yaml

@@ -15,6 +15,9 @@ tasks:
       - exclude: "{{.ROOT_DIR}}/**/CMakeFiles/*"
       - exclude: "{{.ROOT_DIR}}/**/submodules/*"
       - exclude: "{{.ROOT_DIR}}/**/tools/*"
+
+      # Exclude CMake build directories generated by CLion
+      - exclude: "{{.ROOT_DIR}}/**/cmake-build-*"
     deps:
       - "venv"
     cmds:
@@ -48,8 +51,14 @@ tasks:
       - |-
         . "{{.G_LINT_VENV_DIR}}/bin/activate"
         find . \
-          \( -path '**/build' -o -path '**/cmake_install.cmake' -o -path '**/CMakeFiles' \
-          -o -path '**/submodules' -o -path '**/tools' \) -prune -o \
+          \( \
+            -path '**/build' \
+            -o -path '**/cmake-build-*' \
+            -o -path '**/cmake_install.cmake' \
+            -o -path '**/CMakeFiles' \
+            -o -path '**/submodules' \
+            -o -path '**/tools' \
+          \) -prune -o \
           \( -iname "CMakeLists.txt" -o -iname "*.cmake" -o -iname "*.cmake.in" \) \
           -print0 | \
             xargs -0 gersemi {{.FLAGS}}