From df9e66834e5ccb7d7d81a07b199baaebd4f6826c Mon Sep 17 00:00:00 2001
From: "Robin.Mueller" <robin.mueller.m@gmail.com>
Date: Tue, 5 May 2020 19:07:11 +0200
Subject: [PATCH] pop() better

---
 container/FIFO.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/container/FIFO.h b/container/FIFO.h
index 889d2ade..f70c78b0 100644
--- a/container/FIFO.h
+++ b/container/FIFO.h
@@ -70,13 +70,8 @@ public:
 	}
 
 	ReturnValue_t pop() {
-	    if(empty()) {
-	        return EMPTY;
-	    } else {
-	        readIndex = next(readIndex);
-	        --currentSize;
-	        return HasReturnvaluesIF::RETURN_OK;
-	    }
+		T value;
+		return this->retrieve(&value);
 	}
 
 	static const uint8_t INTERFACE_ID = CLASS_ID::FIFO_CLASS;