Index: libcfa/src/bits/containers.hfa
===================================================================
--- libcfa/src/bits/containers.hfa	(revision a77496cbc62f805fc69d3c3f9abd928bfccc0e4b)
+++ libcfa/src/bits/containers.hfa	(revision ae2c27a754e54e8563131c0e84adfd4afe813c6f)
@@ -157,4 +157,15 @@
 			tail = &get_next( *val );
 			*tail = 1p;
+		}
+
+		T * peek( __queue(T) & this ) {
+			verify(*this.tail == 1p);
+			T * head = this.head;
+			if( head != 1p ) {
+				verify(*this.tail == 1p);
+				return head;
+			}
+			verify(*this.tail == 1p);
+			return 0p;
 		}