23
Iterators library
[iterators]
23.3
Iterator requirements
[iterator.requirements]
23.3.7
Common algorithm requirements
[alg.req]
23.3.7.5
Concept
indirectly_comparable
[alg.req.ind.cmp]
1
#
The
indirectly_comparable
concept specifies the common requirements of algorithms that compare values from two different sequences
.
template
<
class
I1,
class
I2,
class
R,
class
P1
=
identity,
class
P2
=
identity
>
concept
indirectly_comparable
=
indirect_binary_predicate
<
R, projected
<
I1, P1
>
, projected
<
I2, P2
>
>
;