Fix unused parameter 'cols' warning [-Wunused-parameter] in begin(int cols, int lines)

eddyp · eddyp · commit a7b455067416 · 2019-12-11T22:52:19.000+02:00
Signed-off-by: Eddy Petrișor &lt;eddy.petrisor@gmail.com&gt;
diff --git a/src/LiquidCrystal_PCF8574.cpp b/src/LiquidCrystal_PCF8574.cpp
@@ -33,7 +33,7 @@ LiquidCrystal_PCF8574::LiquidCrystal_PCF8574(int i2cAddr)
 
 void LiquidCrystal_PCF8574::begin(int cols, int lines)
 {
-  // _cols = cols ignored !
+  (void)cols; // ignored !
   _lines = lines;
 
   int functionFlags = 0;

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ LiquidCrystal_PCF8574::LiquidCrystal_PCF8574(int i2cAddr)`
`33`	`33`
`34`	`34`	`void LiquidCrystal_PCF8574::begin(int cols, int lines)`
`35`	`35`	`{`
`36`		`- // _cols = cols ignored !`
	`36`	`+ (void)cols; // ignored !`
`37`	`37`	`_lines = lines;`
`38`	`38`
`39`	`39`	`int functionFlags = 0;`