{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/30438","repository_url":"https://api.github.com/repos/JuliaLang/julia","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/30438/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/30438/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/30438/events","html_url":"https://github.com/JuliaLang/julia/issues/30438","id":392297706,"node_id":"MDU6SXNzdWUzOTIyOTc3MDY=","number":30438,"title":"Uninformative Broadcast Error Message","user":{"login":"ilkerkesen","id":2810691,"node_id":"MDQ6VXNlcjI4MTA2OTE=","avatar_url":"https://avatars3.githubusercontent.com/u/2810691?v=4","gravatar_id":"","url":"https://api.github.com/users/ilkerkesen","html_url":"https://github.com/ilkerkesen","followers_url":"https://api.github.com/users/ilkerkesen/followers","following_url":"https://api.github.com/users/ilkerkesen/following{/other_user}","gists_url":"https://api.github.com/users/ilkerkesen/gists{/gist_id}","starred_url":"https://api.github.com/users/ilkerkesen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ilkerkesen/subscriptions","organizations_url":"https://api.github.com/users/ilkerkesen/orgs","repos_url":"https://api.github.com/users/ilkerkesen/repos","events_url":"https://api.github.com/users/ilkerkesen/events{/privacy}","received_events_url":"https://api.github.com/users/ilkerkesen/received_events","type":"User","site_admin":false},"labels":[{"id":418435319,"node_id":"MDU6TGFiZWw0MTg0MzUzMTk=","url":"https://api.github.com/repos/JuliaLang/julia/labels/broadcast","name":"broadcast","color":"1d76db","default":false},{"id":208968668,"node_id":"MDU6TGFiZWwyMDg5Njg2Njg=","url":"https://api.github.com/repos/JuliaLang/julia/labels/good%20first%20issue","name":"good first issue","color":"0052cc","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-12-18T19:19:10Z","updated_at":"2018-12-25T19:05:01Z","closed_at":null,"author_association":"NONE","body":"```julia\r\nA = rand(3,5)\r\nB = rand(2,2)\r\nC = A .+ B\r\n```\r\nGives `ERROR: DimensionMismatch(\"arrays could not be broadcast to a common size\")` as error message. However, it would better to print out the sizes of the input arrays, wouldn't it?"},"comment":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/comments/449868501","html_url":"https://github.com/JuliaLang/julia/issues/30438#issuecomment-449868501","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/30438","id":449868501,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0OTg2ODUwMQ==","user":{"login":"ilkerkesen","id":2810691,"node_id":"MDQ6VXNlcjI4MTA2OTE=","avatar_url":"https://avatars3.githubusercontent.com/u/2810691?v=4","gravatar_id":"","url":"https://api.github.com/users/ilkerkesen","html_url":"https://github.com/ilkerkesen","followers_url":"https://api.github.com/users/ilkerkesen/followers","following_url":"https://api.github.com/users/ilkerkesen/following{/other_user}","gists_url":"https://api.github.com/users/ilkerkesen/gists{/gist_id}","starred_url":"https://api.github.com/users/ilkerkesen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ilkerkesen/subscriptions","organizations_url":"https://api.github.com/users/ilkerkesen/orgs","repos_url":"https://api.github.com/users/ilkerkesen/repos","events_url":"https://api.github.com/users/ilkerkesen/events{/privacy}","received_events_url":"https://api.github.com/users/ilkerkesen/received_events","type":"User","site_admin":false},"created_at":"2018-12-25T19:05:01Z","updated_at":"2018-12-25T19:05:01Z","author_association":"NONE","body":"1. Catch the error.\r\n2. Get the error message.\r\n3. Add sizes to the beginning or the end of the error message.\r\n4. Display it by throwing an error.\r\n\r\nIf you let me, I can handle it by following this way."}}
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