/scratch/workspace/artdaq-demo-v2_09_03/SLF6/s46-e10-prof/build/artdaq_node_server/v1_00_07/src/node_modules/xml2js/node_modules/xmlbuilder/node_modules/lodash/negate.js
function isEven(n) { return n % 2 == 0; }
_.filter([1, 2, 3, 4, 5, 6], _.negate(isEven)); // => [1, 3, 5]