alexandercerutti · December 29, 2021 00:08 · Dec 29, 2021
diff --git a/right-identifiers-usage-example.ts b/right-identifiers-usage-example.ts
@@ -0,0 +1,55 @@
+enum States {
+	LOADING /***/ = 0b0000,
+	FAILED /****/ = 0b0001,
+	LOADED /****/ = 0b1110,
+	PLAYING /***/ = 0b0100,
+	STOPPED /***/ = 0b1000
+}
+
+const currentState: number = getStateSomehow(); 
+
+/** We can use AND operation to compare the states **/
+
+currentState & States.FAILED
+
+// ================ //
+
+/** We can use OR operation to check multiple states together - explanation right below **/
+
+currentState & (States.STOPPED | States.FAILED)
+
+/**
+ * =======================
+ * STOPPED : 0b 1 0 0 0
+ * FAILED  : 0b 0 0 0 1
+ * ============ OR =======
+ * O1      : 0b 1 0 0 1  ( Stopped | Failed )
+ * CURRENT : 0b 0 1 0 0  ( Playing )
+ * ============ AND ======
+ * O2      : 0b 0 0 0 0  ( Same identifier as loading, but it doesn't mean it ) 
+ */
+
+// ================ //
+
+/**
+ * We can use XOR to assign a new state. This is actually a bit (pun intended) out of scope,
+ * since our example does not allow having a "currentState" that is the combination of multiple
+ * statuses at the same time. The scope of the article was to show how can be related states be
+ * combined, but states can also be unrelated (so each can have its own unique identifer) and we
+ * would still be able to benefit of these feature.
+ *
+ * But let's fake it and let's say that PLAYING, FAILED and STOPPED can be mixed up together.
+ */
+
+currentState = currentState ^ (States.STOPPED | STATES.FAILED)
+
+/**
+ * =======================
+ * STOPPED : 0b 1 0 0 0
+ * FAILED  : 0b 0 0 0 1
+ * ============ OR =======
+ * O1      : 0b 1 0 0 1  ( Stopped | Failed )
+ * CURRENT : 0b 0 1 0 0  ( Playing )
+ * ============ XOR ======
+ * O2      : 0b 1 1 0 1  ( Da faq is this?!)
+ */