Add assert!() and assert_eq!() snippets.

README.md

@@ -87,6 +87,7 @@ the following snippets:
 * `unimplemented`
 * `unreachable`
 * `println`
+* `assert` and `assert_eq`
 * `macro_rules` - declare a macro
 * `if let Option` - an `if let` statement for executing code only in the `Some`
   case.

snippets/rust.json

@@ -36,6 +36,20 @@
         ],
         "description": "Insert println!"
     },
+    "assert": {
+		"prefix": "assert",
+		"body": [
+			"assert!($1)$0"
+		],
+		"description": "Insert assert!"
+	},
+	"assert_eq": {
+		"prefix": "assert_eq",
+		"body": [
+			"assert_eq!($1, $2)$0"
+		],
+		"description": "Insert assert_eq!"
+	},
     "macro_rules": {
         "prefix": "macro_rules",
         "body": [