{"action":"created","issue":{"url":"https://api.github.com/repos/yegor256/cactoos/issues/595","repository_url":"https://api.github.com/repos/yegor256/cactoos","labels_url":"https://api.github.com/repos/yegor256/cactoos/issues/595/labels{/name}","comments_url":"https://api.github.com/repos/yegor256/cactoos/issues/595/comments","events_url":"https://api.github.com/repos/yegor256/cactoos/issues/595/events","html_url":"https://github.com/yegor256/cactoos/issues/595","id":293596955,"number":595,"title":"Grouping iterables","user":{"login":"aliceice","id":16580037,"avatar_url":"https://avatars2.githubusercontent.com/u/16580037?v=4","gravatar_id":"","url":"https://api.github.com/users/aliceice","html_url":"https://github.com/aliceice","followers_url":"https://api.github.com/users/aliceice/followers","following_url":"https://api.github.com/users/aliceice/following{/other_user}","gists_url":"https://api.github.com/users/aliceice/gists{/gist_id}","starred_url":"https://api.github.com/users/aliceice/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aliceice/subscriptions","organizations_url":"https://api.github.com/users/aliceice/orgs","repos_url":"https://api.github.com/users/aliceice/repos","events_url":"https://api.github.com/users/aliceice/events{/privacy}","received_events_url":"https://api.github.com/users/aliceice/received_events","type":"User","site_admin":false},"labels":[{"id":611498887,"url":"https://api.github.com/repos/yegor256/cactoos/labels/bug","name":"bug","color":"ee0701","default":true},{"id":611498889,"url":"https://api.github.com/repos/yegor256/cactoos/labels/enhancement","name":"enhancement","color":"84b6eb","default":true},{"id":817650738,"url":"https://api.github.com/repos/yegor256/cactoos/labels/scope","name":"scope","color":"3a6622","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-02-01T16:31:59Z","updated_at":"2018-02-05T12:49:37Z","closed_at":null,"author_association":"NONE","body":"Hi,\r\n\r\nI think it would be convenient to have something like `Grouped` as a `Map<K, Iterable<V>>` which can be constructed from an Iterable<T> with two Functions for Keys and Values.\r\n\r\nI'm imagining something like this:\r\n\r\n```\r\nnew Grouped<>(\r\n    (Iterable<Text> it) -> new ItemAt<>(0, it).value(),\r\n    (Iterable<Text> it) -> new ItemAt<>(1, it).value(),\r\n    iterables\r\n);\r\n```\r\n\r\nThis  should construct a `Map<Text, Iterable<Text>>`."},"comment":{"url":"https://api.github.com/repos/yegor256/cactoos/issues/comments/363075263","html_url":"https://github.com/yegor256/cactoos/issues/595#issuecomment-363075263","issue_url":"https://api.github.com/repos/yegor256/cactoos/issues/595","id":363075263,"user":{"login":"0crat","id":24387511,"avatar_url":"https://avatars1.githubusercontent.com/u/24387511?v=4","gravatar_id":"","url":"https://api.github.com/users/0crat","html_url":"https://github.com/0crat","followers_url":"https://api.github.com/users/0crat/followers","following_url":"https://api.github.com/users/0crat/following{/other_user}","gists_url":"https://api.github.com/users/0crat/gists{/gist_id}","starred_url":"https://api.github.com/users/0crat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/0crat/subscriptions","organizations_url":"https://api.github.com/users/0crat/orgs","repos_url":"https://api.github.com/users/0crat/repos","events_url":"https://api.github.com/users/0crat/events{/privacy}","received_events_url":"https://api.github.com/users/0crat/received_events","type":"User","site_admin":false},"created_at":"2018-02-05T12:49:37Z","updated_at":"2018-02-05T12:49:37Z","author_association":"COLLABORATOR","body":"Job [#595](https://github.com/yegor256/cactoos/issues/595) is now in scope, role is `DEV`\n\n<!-- claim_id: 361250819, version: 1.0-SNAPSHOT, hash: 004dddc0 -->"}}
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