{"action":"opened","issue":{"url":"https://api.github.com/repos/edjafarov/PromisePipe/issues/21","labels_url":"https://api.github.com/repos/edjafarov/PromisePipe/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/edjafarov/PromisePipe/issues/21/comments","events_url":"https://api.github.com/repos/edjafarov/PromisePipe/issues/21/events","html_url":"https://github.com/edjafarov/PromisePipe/issues/21","id":90040560,"number":21,"title":"\"Caching\" functionality for env sequence","user":{"login":"edjafarov","id":509978,"avatar_url":"https://avatars.githubusercontent.com/u/509978?v=3","gravatar_id":"","url":"https://api.github.com/users/edjafarov","html_url":"https://github.com/edjafarov","followers_url":"https://api.github.com/users/edjafarov/followers","following_url":"https://api.github.com/users/edjafarov/following{/other_user}","gists_url":"https://api.github.com/users/edjafarov/gists{/gist_id}","starred_url":"https://api.github.com/users/edjafarov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/edjafarov/subscriptions","organizations_url":"https://api.github.com/users/edjafarov/orgs","repos_url":"https://api.github.com/users/edjafarov/repos","events_url":"https://api.github.com/users/edjafarov/events{/privacy}","received_events_url":"https://api.github.com/users/edjafarov/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-22T08:19:23Z","updated_at":"2015-06-22T08:19:23Z","closed_at":null,"body":"If we have `chainF.chainS.chainS.chainS.chainF`\r\n\r\nIf we would wrap the chain, the result would be `chached chainF.[chainS.chainS.chainS].chainF`\r\n\r\nOr maybe it is reasonable to make it as a guard? chainF.guard->.chainS.chainS.chainS.->chainF"}}