Skip to content

CWG3190 Ambiguous lookup for type aliases in reflection #2795

Closed
cplusplus/draft
#9147
Closed
CWG3190 Ambiguous lookup for type aliases in reflection#2795
cplusplus/draft
#9147
Labels
CWGCore

Description

@jensmaurer
jensmaurer
opened on May 20, 2026

CWG is seeking EWG approval to make ambiguous lookup cases that arise only in reflection ill-formed. CWG has consensus on the highlighted resolution.

See CWG3190 for details.

Activity

  1. jensmaurer
    added
    EWGEvolution
    on May 20, 2026
  2. cplusplus
    deleted a comment from maasiri078-source on May 22, 2026

  3. hanickadot commented on Jun 8, 2026

    @hanickadot
    hanickadot
    on Jun 8, 2026
    Collaborator

    EWG in Brno on Monday:

    EWG Approves of the CWG proposed solution to CWG 3190, which makes the ambiguous reflection of type aliases ill-formed as a DR.

    SF F N A SA
    11 20 4 1 1

    Result: consensus

  4. hanickadot
    added
    CWGCore
    and removed
    EWGEvolution
    on Jun 8, 2026
  5. github-project-automation
    added this to CWGon Jun 8, 2026
  6. github-project-automation
    moved this to Ready for review in CWGon Jun 8, 2026
  7. jensmaurer
    moved this from Ready for review to Approved for plenary vote in CWGon Jun 11, 2026
  8. tkoeppe
    closed this as completedin draft#9147on Jul 11, 2026
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    CWGCore

    Type

    No type

    Projects

    • CWG
      Status
      Approved for plenary vote

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions