LWG4233 The helper lambda of std::erase for hive should specify return type as bool

Author: burblebee

source/containers.tex

@@ -8942,7 +8942,7 @@
 
 \indexlibrarymember{erase}{hive}%
 \begin{itemdecl}
-template<class T, class Allocator, class U>
+template<class T, class Allocator, class U = T>
   typename hive<T, Allocator>::size_type
     erase(hive<T, Allocator>& c, const U& value);
 \end{itemdecl}
@@ -8952,7 +8952,7 @@
 \effects
 Equivalent to:
 \begin{codeblock}
-return erase_if(c, [&](auto& elem) { return elem == value; });
+return erase_if(c, [&](const auto& elem) -> bool { return elem == value; });
 \end{codeblock}
 \end{itemdescr}