Specifies that a type defines a subtraction assignment operator for itself (with strict return). More...

Concept definition

template<class K>

Specifies that a type defines a subtraction assignment operator for another type (with strict return)...

Definition qx-concepts.h:58

Specifies that a type defines a subtraction assignment operator for itself (with strict return).

Definition qx-concepts.h:64

Detailed Description

Satisfied if K has a subtraction assignment operator defined for itself that returns K&.