[libcxx-commits] [libcxx] [libc++][NFC] Remove unused typedefs in filesystem::path helpers (PR #70331)

[via libcxx-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Louis Dionne (ldionne)

<details>
<summary>Changes</summary>

I came across those typedefs while working on another change, and I noticed they were just never used.

---
Full diff: https://github.com/llvm/llvm-project/pull/70331.diff


1 Files Affected:

- (modified) libcxx/include/__filesystem/path.h (-5) 


``````````diff
diff --git a/libcxx/include/__filesystem/path.h b/libcxx/include/__filesystem/path.h
index c104b003573dc1b..8a9350be2a00f77 100644
--- a/libcxx/include/__filesystem/path.h
+++ b/libcxx/include/__filesystem/path.h
@@ -107,7 +107,6 @@ struct __is_pathable_string<
     _Void<typename __can_convert_char<_ECharT>::__char_type> >
     : public __can_convert_char<_ECharT> {
   using _Str = basic_string<_ECharT, _Traits, _Alloc>;
-  using _Base = __can_convert_char<_ECharT>;
 
   _LIBCPP_HIDE_FROM_ABI
   static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); }
@@ -129,7 +128,6 @@ struct __is_pathable_string<
     _Void<typename __can_convert_char<_ECharT>::__char_type> >
     : public __can_convert_char<_ECharT> {
   using _Str = basic_string_view<_ECharT, _Traits>;
-  using _Base = __can_convert_char<_ECharT>;
 
   _LIBCPP_HIDE_FROM_ABI
   static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); }
@@ -155,8 +153,6 @@ struct __is_pathable_char_array : false_type {};
 template <class _Source, class _ECharT, class _UPtr>
 struct __is_pathable_char_array<_Source, _ECharT*, _UPtr, true>
     : __can_convert_char<__remove_const_t<_ECharT> > {
-  using _Base = __can_convert_char<__remove_const_t<_ECharT> >;
-
   _LIBCPP_HIDE_FROM_ABI
   static _ECharT const* __range_begin(const _ECharT* __b) { return __b; }
 
@@ -185,7 +181,6 @@ struct __is_pathable_iter<
         typename iterator_traits<_Iter>::value_type>::__char_type> >
     : __can_convert_char<typename iterator_traits<_Iter>::value_type> {
   using _ECharT = typename iterator_traits<_Iter>::value_type;
-  using _Base = __can_convert_char<_ECharT>;
 
   _LIBCPP_HIDE_FROM_ABI
   static _Iter __range_begin(_Iter __b) { return __b; }

``````````

</details>


https://github.com/llvm/llvm-project/pull/70331