[riot-notifications] [RIOT-OS/RIOT] add ARRAYSIZE macro and make use of it (#11865)

Kees Bakker notifications at github.com
Sun Jul 21 11:11:53 CEST 2019

keestux commented on this pull request.

> @@ -47,7 +47,7 @@
  * @brief   Determine length of array in elements
-#define _ARRAY_LEN(x)                   (sizeof(x) / sizeof(x[0]))
+#define _ARRAY_LEN(x)                   ARRAY_SIZE(x)

Why not remove `_ARRAY_LEN` and replace its use with `ARRAY_SIZE`?

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