cpp: most vexing parse

README.adoc

@@ -14475,6 +14475,10 @@ Programs under link:userland/cpp/[] are examples of https://en.wikipedia.org/wik
 ** associative
 *** <<algorithms>> contains a benchmark comparison of different c++ containers
 *** link:userland/cpp/set.cpp[]: `std::set` contains unique keys
+* Language madness
+** link:userland/cpp/most_vexing_parse.cpp[]: the most vexing parse is a famous constructor vs function declaration syntax gotcha!
+*** https://en.wikipedia.org/wiki/Most_vexing_parse
+*** http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets
 
 [[cpp-multithreading]]
 ==== C++ multithreading