update examples

examples/cc/BUILD.bazel

@@ -3,6 +3,7 @@ load(
     "@rules_build_error//lang/cc:defs.bzl",
     "cc_build_error",
     "cc_build_error_test",
+    "inline_src",
 )
 load("@rules_build_error//matcher:defs.bzl", "matcher")
 
@@ -44,3 +45,53 @@ cc_build_error_test(
     src = "link_error.cpp",
     link_stderr = matcher.contains_basic_regex("Declared.*Undefined"),
 )
+
+# With `inline_src`, you can also provide the source as an inline string.
+
+cc_build_error_test(
+    name = "compile_error_test_with_inline_c",
+    src = inline_src.c("""
+    #include <assert.h>
+
+    int main(void) {
+        static_assert(0, "Compile error message for inline src");
+        return 0;
+    }
+    """),
+    compile_stderr = matcher.has_substr("static assertion failed"),
+)
+
+cc_build_error_test(
+    name = "compile_error_test_with_inline_cpp",
+    src = inline_src.cpp("""
+    constexpr bool Predicate() noexcept { return false; }
+
+    int main() {
+        static_assert(Predicate(), "Compile error message for inline src");
+        return 0;
+    }
+    """),
+    compile_stderr = matcher.has_substr("static assertion failed"),
+)
+
+cc_build_error_test(
+    name = "link_error_test_with_inline_c",
+    src = inline_src.c("""
+    int DeclaredButUndefined();
+    int main(void) {
+        return DeclaredButUndefined();
+    }
+    """),
+    link_stderr = matcher.has_substr("DeclaredButUndefined"),
+)
+
+cc_build_error_test(
+    name = "link_error_test_with_inline_cpp",
+    src = inline_src.cpp("""
+    int DeclaredButUndefined();
+    int main() {
+        return DeclaredButUndefined();
+    }
+    """),
+    link_stderr = matcher.has_substr("DeclaredButUndefined"),
+)