{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/14646","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/14646/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/14646/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/14646/events","html_url":"https://github.com/JuliaLang/julia/issues/14646","id":126031503,"number":14646,"title":"Any[1 [1,2]] ERROR: DimensionMismatch","user":{"login":"egoecho","id":2813328,"avatar_url":"https://avatars.githubusercontent.com/u/2813328?v=3","gravatar_id":"","url":"https://api.github.com/users/egoecho","html_url":"https://github.com/egoecho","followers_url":"https://api.github.com/users/egoecho/followers","following_url":"https://api.github.com/users/egoecho/following{/other_user}","gists_url":"https://api.github.com/users/egoecho/gists{/gist_id}","starred_url":"https://api.github.com/users/egoecho/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/egoecho/subscriptions","organizations_url":"https://api.github.com/users/egoecho/orgs","repos_url":"https://api.github.com/users/egoecho/repos","events_url":"https://api.github.com/users/egoecho/events{/privacy}","received_events_url":"https://api.github.com/users/egoecho/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-01-11T20:38:35Z","updated_at":"2016-01-12T13:48:43Z","closed_at":null,"body":"In Julia 0.4.2,\r\n```julia\r\njulia> Any[1 [1,2]]\r\nERROR: DimensionMismatch(\"mismatch in dimension 1 (expected 1 got 2)\")\r\n in cat_t at abstractarray.jl:850\r\n in typed_hcat at abstractarray.jl:878\r\n```\r\nThe old style is fine:\r\n```julia\r\njulia> {1 [1,2]}\r\nWARNING: deprecated syntax \"{a b ...}\".\r\nUse \"Any[a b ...]\" instead.\r\n1x2 Array{Any,2}:\r\n 1  [1,2]\r\n```\r\nI also found that Any[1 [1]] = {1 1} rather than {1 [1]}\r\n```julia\r\njulia> Any[1 [1]]\r\n1x2 Array{Any,2}:\r\n 1  1\r\n\r\njulia> {1 [1]}\r\n\r\nWARNING: deprecated syntax \"{a b ...}\".\r\nUse \"Any[a b ...]\" instead.\r\n1x2 Array{Any,2}:\r\n 1  [1]\r\n```"},"comment":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/comments/170916743","html_url":"https://github.com/JuliaLang/julia/issues/14646#issuecomment-170916743","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/14646","id":170916743,"user":{"login":"KristofferC","id":1282691,"avatar_url":"https://avatars.githubusercontent.com/u/1282691?v=3","gravatar_id":"","url":"https://api.github.com/users/KristofferC","html_url":"https://github.com/KristofferC","followers_url":"https://api.github.com/users/KristofferC/followers","following_url":"https://api.github.com/users/KristofferC/following{/other_user}","gists_url":"https://api.github.com/users/KristofferC/gists{/gist_id}","starred_url":"https://api.github.com/users/KristofferC/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KristofferC/subscriptions","organizations_url":"https://api.github.com/users/KristofferC/orgs","repos_url":"https://api.github.com/users/KristofferC/repos","events_url":"https://api.github.com/users/KristofferC/events{/privacy}","received_events_url":"https://api.github.com/users/KristofferC/received_events","type":"User","site_admin":false},"created_at":"2016-01-12T13:48:43Z","updated_at":"2016-01-12T13:48:43Z","body":"Imo, if you specify \"Any\" then there shouldn't be any concatenation."}}