Update README.md

README.md

@@ -38,6 +38,36 @@ users.get(1, function(err, user) {
 });
 ```
 
+### Function style
+
+Before:
+
+```javascript
+function dummy(a, b, c, callback) {
+	// Do complex stuff here
+	callback(undefined, 'A', 'B');
+};
+
+dummy(1, 2, 3, function(err, data1, data2) {
+	// You got it
+});
+```
+
+Adding cache:
+
+```javascript
+var cache = require('node-dummy-cache');
+
+var dummy = cache.create(cache.ONE_HOUR, function (a, b, c, callback) {
+	// Do complex stuff here
+	callback(undefined, 'A', 'B');
+});
+
+dummy(1, 2, 3, function(err, data, data2) {
+	// You got it
+});
+```
+
 ### Mixed
 
 ```javascript
@@ -52,7 +82,76 @@ users.get(1, function(err, user) {
 	// You got it
 });
 
+users(1, function(err, user) {
+	// You got it
+});
+
 var user = users.get(1); // Returns only if cached
+
+var user = users(1); // Returns only if cached
 ```
 
-
+
+### Complex
+
+```javascript
+var cache = require('node-dummy-cache');
+
+var users = cache.create(cache.ONE_HOUR, function (id1, id2, callback) {
+	// Do complex stuff here
+	callback(undefined, user, date);
+});
+
+users.get(1, 2, function(err, user, date) {
+	// You got it
+});
+
+var user = users.get(1, 2); // Returns the user only if cached
+
+users.put(1, 2, user); // Adds the user, but no date
+
+```
+
+
+## API
+
+All arguments passed to the get / put must be JSON serializable.
+
+### cache.create(maxAliveTimeMS: number, maxNotAccessedTimeMs: number, fetcher: function)
+
+Creates a new cache. 
+
+Params:
+- maxAliveTimeMS : Max time a value will stay in cache starting with its creation
+- maxNotAccessedTimeMs : Max time a value will stay in cache after its last access
+- fetcher : callback to fetch the data
+
+### cache.create(maxAliveTimeMS: number, fetcher: function)
+
+Creates a new cache. 
+
+Params:
+- maxAliveTimeMS : Max time a value will stay in cache starting with its creation
+- fetcher : callback to fetch the data
+
+### cache.create(maxAliveTimeMS: number, maxNotAccessedTimeMs: number)
+
+Creates a new cache. All values must be added to cache using put.
+
+Params:
+- maxAliveTimeMS : Max time a value will stay in cache starting with its creation
+- maxNotAccessedTimeMs : Max time a value will stay in cache after its last access
+
+### cache.create(fetcher: function)
+
+Creates a new cache. Values never expires.
+
+Params:
+- fetcher : callback to fetch the data
+
+### cache.create(maxAliveTimeMS: number)
+
+Creates a new cache. All values must be added to cache using put.
+
+Params:
+- maxAliveTimeMS : Max time a value will stay in cache starting with its creation