| Issue |
174827
|
| Summary |
[clang-tidy] readability-unnecessary-typename removes necessary typename
|
| Labels |
clang-tidy
|
| Assignees |
|
| Reporter |
R-Goc
|
```cpp
template<typename T, typename = void>
struct Formatter {
using __no_formatter_defined = void;
};
template<typename T, typename = void>
constexpr bool HasFormatter = true;
template<typename T>
constexpr bool HasFormatter<T, typename Formatter<T>::__no_formatter_defined> = false;
```
godbolt link: https://godbolt.org/z/61W8sdb3n
After removing:
```
<source>:10:33: error: template argument for template type parameter must be a type; did you forget 'typename'? [clang-diagnostic-error]
10 | constexpr bool HasFormatter<T, Formatter<T>::__no_formatter_defined> = false;
| ^
| typename
<source>:6:31: note: template parameter is declared here
6 | template<typename T, typename = void>
|
```
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