update comments

Author: javadoug

lib/index.js

@@ -2,7 +2,7 @@
 module.exports = {
 	'get': function (obj, path) {
 		// supports a.b, a[1] and foo[bar], etc.
-		// where obj is ['nope', 'yes', {a: {b: 1}, foo: 2}]
+		// for example: where obj is ['nope', 'yes', {a: {b: 1}, foo: 2}]
 		// then [1] returns 'yes'; [2].a.b returns 1; [2].a[foo] returns 2;
 		path = path.split(/[\.\[\]]/).filter(d => d);
 		return path.reduce((r, p) => {
@@ -12,9 +12,8 @@ module.exports = {
 		}, obj);
 	},
 	'set': function (obj, path, value) {
-		// todo: replace implementation of assignPathValue with this impl and
-		// remove updatePathValue (only need one function, not both)
-		// same as assignPathValue except removes property if value is undefined
+		// assign property creates Objects and Arrays as needed
+		// removes property if typeof(value) is undefined
 		path = path.split(/[\.\[\]]/).filter(d => d);
 		const isRemove = typeof value === 'undefined';
 		// enable look-ahead to determine if type is array or object