Somewhat easier on the human reader.

dok-net · dok-net · commit 8a9d25bd78fd · 2021-04-05T17:32:16.000+02:00
diff --git a/cores/esp8266/PolledTimeout.h b/cores/esp8266/PolledTimeout.h
@@ -175,7 +175,7 @@ class timeoutTemplate
 
   bool canWait () const
   {
-    return _timeout != 0 && !_oneShotExpired;
+    return !(_timeout == 0 || _oneShotExpired);
   }
 
   // Resets, will trigger after this new timeout.

Original file line number	Diff line number	Diff line change
`@@ -175,7 +175,7 @@ class timeoutTemplate`
`175`	`175`
`176`	`176`	`bool canWait () const`
`177`	`177`	`{`
`178`		`- return _timeout != 0 && !_oneShotExpired;`
	`178`	`+ return !(_timeout == 0 \|\| _oneShotExpired);`
`179`	`179`	`}`
`180`	`180`
`181`	`181`	`// Resets, will trigger after this new timeout.`