id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3188	concepts for immutable types	Gunter	Gunter	"Currently all concepts are written for mutable objects although all containers and expressions can be either constant or mutable. 

I suggest to split the current concepts in basic concepts that contain the operations for both constant and mutable classes and special concepts only for mutable classes (which are a refinement of the constant concepts)."	Feature Requests	new	To Be Determined	uBLAS	Boost 1.39.0	Optimization		uBLAS expression concepts