This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of LEWG status.

### 2884. Relational operators for containers should sfinae; if the underlying type is not comparable, neither should the container be

Section: 24 [containers], 22 [utilities] Status: LEWG Submitter: Finland Opened: 2017-02-03 Last modified: 2017-06-27

Priority: Not Prioritized

View other active issues in [containers].

View all other issues in [containers].

View all issues with LEWG status.

Discussion:

Addresses FI 16

Relational operators for containers should sfinae; if the underlying type is not comparable, neither should the container be. Same applies to `tuple` and `pair`.

Proposed change: Make the relational operators of containers and utility components reflect the validity of the underlying element types.

[ 2017-06-27 Moved to LEWG after 5 positive votes on c++std-lib. ]

Proposed resolution: