Test the possibility of using problem matchers for errors/warnings

.github/workflows/ci.yml

@@ -133,6 +133,11 @@ jobs:
         run: |
           cmake -S . -B ./build -G "${{matrix.generator}}" -DCMAKE_BUILD_TYPE:STRING=${{matrix.build_type}} -DENABLE_DEVELOPER_MODE:BOOL=${{matrix.developer_mode}} -DOPT_ENABLE_COVERAGE:BOOL=${{ matrix.build_type == 'Debug' }}
 
+      - name: GCC Problem Matcher
+        uses: ammaraskar/[email protected]
+      - name: MSVC Problem Matcher
+        uses: ammaraskar/[email protected]
+
       - name: Build
         # Execute the build.  You can specify a specific target with "--target <NAME>"
         run: |

src/main.cpp

@@ -37,6 +37,17 @@ int main(int argc, const char **argv)
     spdlog::info("Hello, {}!", "World");
 
     fmt::print("Hello, from {}\n", "{fmt}");
+
+    // this line exists solely to check the problem matchers
+    int *i = nullptr;
+    *i = 42;
+
+    int j;
+    int k;
+    int l = j + k;
+
+    fmt::print("Test printing values {} {} {} {}\n", *i, j, k, l);
+
   } catch (const std::exception &e) {
     fmt::print("Unhandled exception in main: {}", e.what());
   }