{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/32501","repository_url":"https://api.github.com/repos/rust-lang/rust","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/32501/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/32501/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/32501/events","html_url":"https://github.com/rust-lang/rust/issues/32501","id":143680654,"number":32501,"title":"Inconsistency: `let mut _ = 0;` is rejected by the parser when `let mut _a = 0;` is not","user":{"login":"nodakai","id":90726,"avatar_url":"https://avatars.githubusercontent.com/u/90726?v=3","gravatar_id":"","url":"https://api.github.com/users/nodakai","html_url":"https://github.com/nodakai","followers_url":"https://api.github.com/users/nodakai/followers","following_url":"https://api.github.com/users/nodakai/following{/other_user}","gists_url":"https://api.github.com/users/nodakai/gists{/gist_id}","starred_url":"https://api.github.com/users/nodakai/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nodakai/subscriptions","organizations_url":"https://api.github.com/users/nodakai/orgs","repos_url":"https://api.github.com/users/nodakai/repos","events_url":"https://api.github.com/users/nodakai/events{/privacy}","received_events_url":"https://api.github.com/users/nodakai/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2016-03-26T09:04:25Z","updated_at":"2016-03-26T10:22:45Z","closed_at":null,"body":"```rust\r\nfn main() {\r\n    let a = 0;\r\n    let _b = 0;\r\n    let _ = 0;\r\n    let mut b = 0;\r\n    let mut _b = 0;\r\n//    let mut _ = 0; // error: expected identifier, found `_`\r\n}\r\n```\r\n- https://play.rust-lang.org/?gist=767161713daada788646&version=nightly\r\n"},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/201752566","html_url":"https://github.com/rust-lang/rust/issues/32501#issuecomment-201752566","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/32501","id":201752566,"user":{"login":"nodakai","id":90726,"avatar_url":"https://avatars.githubusercontent.com/u/90726?v=3","gravatar_id":"","url":"https://api.github.com/users/nodakai","html_url":"https://github.com/nodakai","followers_url":"https://api.github.com/users/nodakai/followers","following_url":"https://api.github.com/users/nodakai/following{/other_user}","gists_url":"https://api.github.com/users/nodakai/gists{/gist_id}","starred_url":"https://api.github.com/users/nodakai/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nodakai/subscriptions","organizations_url":"https://api.github.com/users/nodakai/orgs","repos_url":"https://api.github.com/users/nodakai/repos","events_url":"https://api.github.com/users/nodakai/events{/privacy}","received_events_url":"https://api.github.com/users/nodakai/received_events","type":"User","site_admin":false},"created_at":"2016-03-26T10:22:45Z","updated_at":"2016-03-26T10:22:45Z","body":"@bluss  Well, in fact `let _a = 0; println!(\"{}\", _a)` has no problems.\r\n\r\n\r\n```rust\r\n    let _ = s;  // no op\r\n```\r\nThis *is* surprising, but I might have seen a discussion on something like that long before, perhaps in relation to `mem::drop()`"}}