Prefer polymorphism over referable.respond_to?(:project) (#16939) · Issues · GitLab.org / GitLab · GitLab

Prefer polymorphism over referable.respond_to?(:project)

#### Related issues https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/6425#note_17067245 https://gitlab.com/gitlab-org/gitlab-ce/issues/23586

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