id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 12124,[TypeTraits] is_const should use std::size_t instead of size_t.,anonymous,John Maddock,"Hello, The ARMCC compiler raises the error boost/type_traits/is_const.hpp(38): error: #20: identifier ""size_t"" is undefined It works, if I change size_t to std::size_t. I have no clue, how the typedef is exactly imported. IMHO, it would be cleaner to also include from is_const.hpp. Best regards, Manuel ",Bugs,closed,To Be Determined,type_traits,Boost 1.61.0,Problem,fixed,,