{"action":"closed","issue":{"url":"https://api.github.com/repos/eventualbuddha/decaffeinate/issues/81","labels_url":"https://api.github.com/repos/eventualbuddha/decaffeinate/issues/81/labels{/name}","comments_url":"https://api.github.com/repos/eventualbuddha/decaffeinate/issues/81/comments","events_url":"https://api.github.com/repos/eventualbuddha/decaffeinate/issues/81/events","html_url":"https://github.com/eventualbuddha/decaffeinate/issues/81","id":120841115,"number":81,"title":"Error: cannot traverse unknown node type: BitNotOp","user":{"login":"alexgorbatchev","id":65633,"avatar_url":"https://avatars.githubusercontent.com/u/65633?v=3","gravatar_id":"","url":"https://api.github.com/users/alexgorbatchev","html_url":"https://github.com/alexgorbatchev","followers_url":"https://api.github.com/users/alexgorbatchev/followers","following_url":"https://api.github.com/users/alexgorbatchev/following{/other_user}","gists_url":"https://api.github.com/users/alexgorbatchev/gists{/gist_id}","starred_url":"https://api.github.com/users/alexgorbatchev/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alexgorbatchev/subscriptions","organizations_url":"https://api.github.com/users/alexgorbatchev/orgs","repos_url":"https://api.github.com/users/alexgorbatchev/repos","events_url":"https://api.github.com/users/alexgorbatchev/events{/privacy}","received_events_url":"https://api.github.com/users/alexgorbatchev/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-12-07T18:49:00Z","updated_at":"2015-12-08T05:52:39Z","closed_at":"2015-12-08T05:52:39Z","body":"```coffeescript\r\n{Buffer} = require 'buffer'\r\ncreate = require './create'\r\n\r\n# Generated by `./pycrc.py --algorithm=table-driven --model=dallas-1-wire --generate=c`\r\nTABLE = [\r\n  0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83, 0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41,\r\n  0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e, 0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc,\r\n  0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0, 0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62,\r\n  0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d, 0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff,\r\n  0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5, 0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07,\r\n  0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58, 0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a,\r\n  0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6, 0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24,\r\n  0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b, 0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9,\r\n  0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f, 0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd,\r\n  0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92, 0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50,\r\n  0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c, 0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee,\r\n  0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1, 0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73,\r\n  0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49, 0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b,\r\n  0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4, 0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16,\r\n  0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a, 0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8,\r\n  0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7, 0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35\r\n]\r\n\r\nTABLE = new Int32Array TABLE if typeof Int32Array isnt 'undefined'\r\n\r\nmodule.exports = create 'dallas-1-wire', (buf, previous) ->\r\n  buf = Buffer buf unless Buffer.isBuffer buf\r\n\r\n  crc = ~~previous\r\n  crc = ((TABLE[(crc ^ byte) & 0xff]) & 0xff) for byte in buf\r\n  crc\r\n```\r\n\r\nresults in the following error using `1.40.16`\r\n\r\n```\r\nError: cannot traverse unknown node type: BitNotOp\r\n    at childPropertyNames (.../decaffeinate/dist/decaffeinate.cjs.js:571:11)\r\n    at traverse (.../decaffeinate/dist/decaffeinate.cjs.js:473:47)\r\n    at .../decaffeinate/dist/decaffeinate.cjs.js:468:9\r\n    at Array.forEach (native)\r\n    at descend (.../decaffeinate/dist/decaffeinate.cjs.js:459:32)\r\n    at traverse (.../decaffeinate/dist/decaffeinate.cjs.js:476:5)\r\n    at .../decaffeinate/dist/decaffeinate.cjs.js:464:11\r\n    at Array.forEach (native)\r\n    at .../decaffeinate/dist/decaffeinate.cjs.js:462:15\r\n    at Array.forEach (native)\r\n```"}}