------_ extPart_001_01C5C9A3.054922C0 Content-Type: text/plain; charset S-ASCII" Content-Transfer-Encoding: quoted-printable Hello, is there a reason why I can find the in-place mutator method Array#reject! and not Array#select! ? It is ofcourse easy to add this method but it is my feeling this should be added to the core. Greetings, Geert. ------_ extPart_001_01C5C9A3.054922C0--