How to use

at

function

in

LoDashStatic

var getRawCoreInfo = function (coreIndex, done) {
      var length = splittedInfo.length;

      var firstIndex  = ((splittedInfo.length * (coreIndex) ) / coresCount);
      var lastIndex   = ((splittedInfo.length * (coreIndex + 1) ) / coresCount);
      
      var rawCoreInfo = _.at(splittedInfo,_.range(firstIndex,lastIndex));
      return done(rawCoreInfo);
    }