code: function isOrdered(tupleA, tupleB) {
    return (tupleA.line < tupleB.line) || ((tupleA.line === tupleB.line) && (tupleA.column < tupleB.column));
  }
docs: Check the order of the given location tuples.
  @param {{line:number, column:number}} tupleA The first tuple
  @param {{line:number, column:number}} tupleB The second tuple
  @returns {boolean} True where tupleA precedes tupleB