Add containsKey() to Map, and validate key types.

2015-01-25 12:39:19 -08:00
parent 3061bdde7f
commit 0e6a90443e
8 changed files with 65 additions and 10 deletions
@@ -5,7 +5,11 @@ An associative collection that maps keys to values. More details [here](../maps.

 ### **clear**

-Removes all entries
+Removes all entries from the map.
+
+### **containsKey**(key)
+
+Returns `true` if the map contains `key` or `false` otherwise.

 ### **count**