Create empty method for String class (#6293)

ruggi99 · devyte · commit 1c68d02924b9 · 2019-07-15T10:52:05.000-04:00
* Created empty method

* Changed method name from "empty" to "isEmpty". Created a new method to empty a string

* Changed method name from "empty" to "clear".
diff --git a/cores/esp8266/WString.h b/cores/esp8266/WString.h
@@ -82,6 +82,12 @@ class String {
                 return 0;
             }
         }
+        inline void clear(void) {
+            setLen(0);
+        }
+        inline bool isEmpty(void) const {
+            return length() == 0;
+        }
 
         // creates a copy of the assigned value.  if the value is null or
         // invalid, or if the memory allocation fails, the string will be

Original file line number	Diff line number	Diff line change
`@@ -82,6 +82,12 @@ class String {`
`82`	`82`	`return 0;`
`83`	`83`	`}`
`84`	`84`	`}`
	`85`	`+ inline void clear(void) {`
	`86`	`+ setLen(0);`
	`87`	`+ }`
	`88`	`+ inline bool isEmpty(void) const {`
	`89`	`+ return length() == 0;`
	`90`	`+ }`
`85`	`91`
`86`	`92`	`// creates a copy of the assigned value. if the value is null or`
`87`	`93`	`// invalid, or if the memory allocation fails, the string will be`