{"action":"created","comment":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/29561885","id":29561885,"diff_hunk":"@@ -0,0 +1,59 @@\n+// Copyright 2015 The Cockroach Authors.\n+//\n+// Licensed under the Apache License, Version 2.0 (the \"License\");\n+// you may not use this file except in compliance with the License.\n+// You may obtain a copy of the License at\n+//\n+//     http://www.apache.org/licenses/LICENSE-2.0\n+//\n+// Unless required by applicable law or agreed to in writing, software\n+// distributed under the License is distributed on an \"AS IS\" BASIS,\n+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or\n+// implied. See the License for the specific language governing\n+// permissions and limitations under the License. See the AUTHORS file\n+// for names of contributors.\n+//\n+// Author: Spencer Kimball (spencer.kimball@gmail.com)\n+//\n+// Based on code from http://code.google.com/p/go-uuid/uuid\n+\n+package util\n+\n+import (\n+\t\"crypto/rand\"\n+\t\"fmt\"\n+\t\"io\"\n+)\n+\n+const (\n+\t// UUIDSize is the size in bytes of a UUID.\n+\tUUIDSize = 16\n+)\n+\n+// UUID is a 16 byte UUID.\n+type UUID []byte\n+\n+// NewUUID4 returns a new UUID (Version 4) using 16 random bytes or panics.\n+//\n+// The uniqueness depends on the strength of crypto/rand. Version 4\n+// UUIDs have 122 random bits.\n+func NewUUID4() UUID {\n+\tuuid := make([]byte, UUIDSize)\n+\tif _, err := io.ReadFull(rand.Reader, uuid); err != nil {\n+\t\tpanic(err.Error()) // rand should never fail","path":"util/uuid.go","position":43,"original_position":43,"commit_id":"71d46add7fef1874c0b5fd805ae353dd69152553","original_commit_id":"71d46add7fef1874c0b5fd805ae353dd69152553","user":{"login":"spencerkimball","id":6147149,"avatar_url":"https://avatars.githubusercontent.com/u/6147149?v=3","gravatar_id":"","url":"https://api.github.com/users/spencerkimball","html_url":"https://github.com/spencerkimball","followers_url":"https://api.github.com/users/spencerkimball/followers","following_url":"https://api.github.com/users/spencerkimball/following{/other_user}","gists_url":"https://api.github.com/users/spencerkimball/gists{/gist_id}","starred_url":"https://api.github.com/users/spencerkimball/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/spencerkimball/subscriptions","organizations_url":"https://api.github.com/users/spencerkimball/orgs","repos_url":"https://api.github.com/users/spencerkimball/repos","events_url":"https://api.github.com/users/spencerkimball/events{/privacy}","received_events_url":"https://api.github.com/users/spencerkimball/received_events","type":"User","site_admin":false},"body":"Panic accepts a string argument not interface{}","created_at":"2015-05-04T00:06:23Z","updated_at":"2015-05-04T00:06:23Z","html_url":"https://github.com/cockroachdb/cockroach/pull/890#discussion_r29561885","pull_request_url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/890","_links":{"self":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/comments/29561885"},"html":{"href":"https://github.com/cockroachdb/cockroach/pull/890#discussion_r29561885"},"pull_request":{"href":"https://api.github.com/repos/cockroachdb/cockroach/pulls/890"}}},"pull_request":{"url":"https://api.github.com/repos/cockroachdb/cockroach/pulls/890","id":34579267,"html_url":"https://github.com/cockroachdb/cockroach/pull/890","diff_url":"https://github.com/cockroachdb/cockroach/pull/890.diff","patch_url":"https://github.com/cockroachdb/cockroach/pull/890.patch","issue_url":"https://api.github.com/repos/cockroachdb/cockroach/issues/890","number":890,"state":"closed","locked":false,"title":"Add our 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