{"action":"closed","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/21400","repository_url":"https://api.github.com/repos/JuliaLang/julia","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/21400/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/21400/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/21400/events","html_url":"https://github.com/JuliaLang/julia/issues/21400","id":221992110,"number":21400,"title":"Missed leaf type canonicalization","user":{"login":"TotalVerb","id":12903942,"avatar_url":"https://avatars1.githubusercontent.com/u/12903942?v=3","gravatar_id":"","url":"https://api.github.com/users/TotalVerb","html_url":"https://github.com/TotalVerb","followers_url":"https://api.github.com/users/TotalVerb/followers","following_url":"https://api.github.com/users/TotalVerb/following{/other_user}","gists_url":"https://api.github.com/users/TotalVerb/gists{/gist_id}","starred_url":"https://api.github.com/users/TotalVerb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TotalVerb/subscriptions","organizations_url":"https://api.github.com/users/TotalVerb/orgs","repos_url":"https://api.github.com/users/TotalVerb/repos","events_url":"https://api.github.com/users/TotalVerb/events{/privacy}","received_events_url":"https://api.github.com/users/TotalVerb/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2017-04-16T05:36:12Z","updated_at":"2017-04-16T18:38:15Z","closed_at":"2017-04-16T18:38:14Z","body":"The leaf types `Tuple{Int}` and `Tuple{T} where T <: Int` aren't canonicalized to the same thing.\r\n\r\n```\r\njulia> Tuple{Int} == (Tuple{T} where T <: Int)\r\ntrue\r\n\r\njulia> Tuple{Int} === (Tuple{T} where T <: Int)\r\nfalse\r\n\r\njulia> Tuple{Int} isa Type{Tuple{T} where T <: Int}\r\nfalse\r\n```"}}
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