en:reference:language:return []

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+====== return ======
+Terminate a function and return a value from a function to the calling function, if desired.
+===== Syntax: =====
+return;
+return value; <nowiki>// both forms are valid</nowiki>
+===== Parameters =====
+value: any variable or constant type
+===== Examples: =====
+A function to compare a sensor input to a threshold
+<code cpp>
+ int checkSensor(){
+    if (analogRead(0) > 400) {
+        return 1;
+    else{
+        return 0;
+    }
+}
+</code>
+The return keyword is handy to test a section of code without having to "comment out" large sections of possibly buggy code.
+<code cpp>
+void loop(){
+// brilliant code idea to test here
+return;
+// the rest of a dysfunctional sketch here
+// this code will never be executed
+}
+</code>