id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 4613,Default value for optional Boolean type not being created.,Ryan McConnehey ,Daniel Wallin,"If a default Boolean value isn't used in extracting the value from the ArgumentPack a compile error occurs. That means that this code compiles ""m_name(args[_name | false])"" but ""m_name(args[_name])"" doesn't. A code example can be found in this boost thread. http://old.nabble.com/-parameter--Weird-behavior-with-bools-td29539068.html",Bugs,new,To Be Determined,parameter,Boost 1.38.0,Problem,,,