Dynamic Library Loader Builder
This template combined with a mixin,
build automatically a dynamic loader for a specific library.
@param handle_name handle name, normally the library name
@param libs possible libraries names array
@param T alias to dynfun specific library module
@param required strictly require, otherwise throw an exception
Dynamic Library Loader Builder This template combined with a mixin, build automatically a dynamic loader for a specific library. @param handle_name handle name, normally the library name @param libs possible libraries names array @param T alias to dynfun specific library module @param required strictly require, otherwise throw an exception