Index Concept Reference

Definition

The concept Index is a refinement of Descriptor which must be convertible from and to std::size_t, and must be incrementable and decrementable.

Refines

Descriptor

Has models

int

size_t

Notation

I

Object of type Index.

n

Object of type std::size_t.

Valid Expressions

Expression	Returns	Description
Index I(n)	-	Creates an index I from a std::size_t.
(std::size_t)I	std::size_t	Converts I into a std::size_t.
++I	Index&	Pre-increments I.
I++	Index	Post-increments I.
--I	Index&	Pre-decrements I.
I--	Index	Post-decrements I.