id summary reporter owner description type status milestone component version severity resolution keywords cc 12980 compile time character array gast128@… Marshall Clow "The string_view has the following constructor: {{{#!cpp BOOST_CONSTEXPR basic_string_view(const charT* str) : ptr_(str), len_(traits::length(str)) {} }}} This uses a 'length' call to determine its length. It would be nice if it could differentiate between compile time array's and other strings. However others have failed as well: http://stackoverflow.com/questions/36459703/compile-time-strings-constructor-overload-precedence-between-const-char " Feature Requests closed To Be Determined utility Boost 1.63.0 Optimization wontfix