================
@@ -0,0 +1,142 @@
+// RUN: %check_clang_tidy -std=c++11,c++14,c++17 %s
readability-redundant-lambda-parentheses %t
+// RUN: %check_clang_tidy -std=c++20 -check-suffixes=,CXX20 %s
readability-redundant-lambda-parentheses %t
+// RUN: %check_clang_tidy -std=c++23-or-later -check-suffixes=,CXX20,CXX23 %s
readability-redundant-lambda-parentheses %t
+
+
+int main() {
+ // Basic cases - warn in all standards
+ auto a = []() { return 42; };
+ // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: redundant empty parameter list
in lambda expression [readability-redundant-lambda-parentheses]
+ // CHECK-FIXES: auto a = [] { return 42; };
+
+ auto b = [x = 1]() { return x; };
+ // CHECK-MESSAGES: :[[@LINE-1]]:19: warning: redundant empty parameter list
in lambda expression [readability-redundant-lambda-parentheses]
----------------
vbvictor wrote:
```suggestion
// CHECK-MESSAGES: :[[@LINE-1]]:19: warning: redundant empty parameter list
in lambda expression
```
You can omit writing full diagnostic to make lines smaller
https://github.com/llvm/llvm-project/pull/190438
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