[libcxx-commits] [libcxx] [libc++] Remove assumptions that std::array::iterator is a raw pointer (PR #74624)

[Mark de Wever via libcxx-commits]

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@@ -49,7 +51,8 @@ namespace __formatter {
 // Generic
 //
 
-_LIBCPP_HIDE_FROM_ABI inline char* __insert_sign(char* __buf, bool __negative, __format_spec::__sign __sign) {
+template <contiguous_iterator _Iterator>
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mordante wrote:

These iterators should be constrained to have a `char` `value_type` the current constrains loosen these restrictions. (I'm fine with new concept `contiguous_char_iterator` if you prefer that.)

https://github.com/llvm/llvm-project/pull/74624