{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/13306","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/13306/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/13306/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/13306/events","html_url":"https://github.com/JuliaLang/julia/issues/13306","id":108195324,"number":13306,"title":"Redefining show for Type{Foo{T}} breaks display of any MethodError","user":{"login":"tbreloff","id":933338,"avatar_url":"https://avatars.githubusercontent.com/u/933338?v=3","gravatar_id":"","url":"https://api.github.com/users/tbreloff","html_url":"https://github.com/tbreloff","followers_url":"https://api.github.com/users/tbreloff/followers","following_url":"https://api.github.com/users/tbreloff/following{/other_user}","gists_url":"https://api.github.com/users/tbreloff/gists{/gist_id}","starred_url":"https://api.github.com/users/tbreloff/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tbreloff/subscriptions","organizations_url":"https://api.github.com/users/tbreloff/orgs","repos_url":"https://api.github.com/users/tbreloff/repos","events_url":"https://api.github.com/users/tbreloff/events{/privacy}","received_events_url":"https://api.github.com/users/tbreloff/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/JuliaLang/julia/labels/bug","name":"bug","color":"e10c02"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":17,"created_at":"2015-09-24T19:15:30Z","updated_at":"2015-11-07T03:28:24Z","closed_at":null,"body":"I think the issue is [on this line](https://github.com/JuliaLang/julia/blob/ad2cad4fcde8f53e110dcae502f14c618b070448/base/REPL.jl#L147)\r\n\r\nas it doesn't actually show any useful information."},"comment":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/comments/154611450","html_url":"https://github.com/JuliaLang/julia/issues/13306#issuecomment-154611450","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/13306","id":154611450,"user":{"login":"yuyichao","id":712232,"avatar_url":"https://avatars.githubusercontent.com/u/712232?v=3","gravatar_id":"","url":"https://api.github.com/users/yuyichao","html_url":"https://github.com/yuyichao","followers_url":"https://api.github.com/users/yuyichao/followers","following_url":"https://api.github.com/users/yuyichao/following{/other_user}","gists_url":"https://api.github.com/users/yuyichao/gists{/gist_id}","starred_url":"https://api.github.com/users/yuyichao/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yuyichao/subscriptions","organizations_url":"https://api.github.com/users/yuyichao/orgs","repos_url":"https://api.github.com/users/yuyichao/repos","events_url":"https://api.github.com/users/yuyichao/events{/privacy}","received_events_url":"https://api.github.com/users/yuyichao/received_events","type":"User","site_admin":false},"created_at":"2015-11-07T03:28:24Z","updated_at":"2015-11-07T03:28:24Z","body":"A even shorter repro\r\n\r\n```\r\ntype Foo{T}\r\n    data::T\r\nend\r\n\r\nBase.show{T}(io::IO, ::Type{Foo{T}}) = print(io, \"This is Foo{T}\")\r\n\r\ntypealias TC{N} Array{Bool,N}\r\n\r\nio = IOBuffer()\r\nshow(io, Array{Bool})\r\nshow(io, TC)\r\n```\r\n\r\n(constructed by patching `jl_apply_generic` to see what have been `show`n before the failure)\r\n"}}