Use best practices for determining the size of an array element

per1234 · per1234 · commit 5133643199e5 · 2019-01-22T17:06:03.000-08:00
The previous code does not automatically adapt to changes in the type of myInts.
diff --git a/Language/Variables/Utilities/sizeof.adoc b/Language/Variables/Utilities/sizeof.adoc
@@ -78,7 +78,7 @@ Note that `sizeof` returns the total number of bytes. So for larger variable typ
 
 [source,arduino]
 ----
-for (i = 0; i < (sizeof(myInts)/sizeof(int)); i++) {
+for (i = 0; i < (sizeof(myInts)/sizeof(myInts[0])); i++) {
   // do something with myInts[i]
 }
 ----

Original file line number	Diff line number	Diff line change
@@ -78,7 +78,7 @@ Note that `sizeof` returns the total number of bytes. So for larger variable typ
`78`	`78`
`79`	`79`	`[source,arduino]`
`80`	`80`	`----`
`81`		`-for (i = 0; i < (sizeof(myInts)/sizeof(int)); i++) {`
	`81`	`+for (i = 0; i < (sizeof(myInts)/sizeof(myInts[0])); i++) {`
`82`	`82`	`// do something with myInts[i]`
`83`	`83`	`}`
`84`	`84`	`----`