{"action":"created","issue":{"url":"https://api.github.com/repos/purescript/purescript/issues/1920","repository_url":"https://api.github.com/repos/purescript/purescript","labels_url":"https://api.github.com/repos/purescript/purescript/issues/1920/labels{/name}","comments_url":"https://api.github.com/repos/purescript/purescript/issues/1920/comments","events_url":"https://api.github.com/repos/purescript/purescript/issues/1920/events","html_url":"https://github.com/purescript/purescript/pull/1920","id":138532073,"number":1920,"title":"Unset bindings in psci","user":{"login":"stevejb71","id":1400291,"avatar_url":"https://avatars.githubusercontent.com/u/1400291?v=3","gravatar_id":"","url":"https://api.github.com/users/stevejb71","html_url":"https://github.com/stevejb71","followers_url":"https://api.github.com/users/stevejb71/followers","following_url":"https://api.github.com/users/stevejb71/following{/other_user}","gists_url":"https://api.github.com/users/stevejb71/gists{/gist_id}","starred_url":"https://api.github.com/users/stevejb71/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stevejb71/subscriptions","organizations_url":"https://api.github.com/users/stevejb71/orgs","repos_url":"https://api.github.com/users/stevejb71/repos","events_url":"https://api.github.com/users/stevejb71/events{/privacy}","received_events_url":"https://api.github.com/users/stevejb71/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/purescript/purescript/labels/needs%20more%20work","name":"needs more work","color":"fbca04"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":10,"created_at":"2016-03-04T17:24:28Z","updated_at":"2016-03-14T13:55:15Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/purescript/purescript/pulls/1920","html_url":"https://github.com/purescript/purescript/pull/1920","diff_url":"https://github.com/purescript/purescript/pull/1920.diff","patch_url":"https://github.com/purescript/purescript/pull/1920.patch"},"body":"This is intended to address #1030 \r\n\r\nSeems to work and is simple, so hopefully not too hard to review. \r\n\r\nThis is different to ghci, where the last result would be 15:\r\n```\r\n> import Prelude \r\n> let x = 10\r\n> let f a = x + a\r\n> f 5\r\n15\r\n\r\n> let x = 20\r\n> f 5\r\n25\r\n```"},"comment":{"url":"https://api.github.com/repos/purescript/purescript/issues/comments/196319447","html_url":"https://github.com/purescript/purescript/pull/1920#issuecomment-196319447","issue_url":"https://api.github.com/repos/purescript/purescript/issues/1920","id":196319447,"user":{"login":"AppShipIt","id":48431,"avatar_url":"https://avatars.githubusercontent.com/u/48431?v=3","gravatar_id":"","url":"https://api.github.com/users/AppShipIt","html_url":"https://github.com/AppShipIt","followers_url":"https://api.github.com/users/AppShipIt/followers","following_url":"https://api.github.com/users/AppShipIt/following{/other_user}","gists_url":"https://api.github.com/users/AppShipIt/gists{/gist_id}","starred_url":"https://api.github.com/users/AppShipIt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AppShipIt/subscriptions","organizations_url":"https://api.github.com/users/AppShipIt/orgs","repos_url":"https://api.github.com/users/AppShipIt/repos","events_url":"https://api.github.com/users/AppShipIt/events{/privacy}","received_events_url":"https://api.github.com/users/AppShipIt/received_events","type":"User","site_admin":false},"created_at":"2016-03-14T13:55:15Z","updated_at":"2016-03-14T13:55:15Z","body":"IIUC @stevejb71 changed `let` bindings to a map that overwrites duplicate identifiers? My suggestion seems <q>non-trivial</q> by comparison. I feel the current behavior is preferable until addressed architecturally."}}