Xref: utzoo comp.lang.c:22307 comp.unix.wizards:18362 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!uakari.primate.wisc.edu!ginosko!uunet!mcsun!ukc!axion!fulcrum!masalla!igb From: igb@fulcrum.bt.co.uk (Ian G Batten) Newsgroups: comp.lang.c,comp.unix.wizards Subject: ``Constants'' in case Message-ID: <62@masalla.fulcrum.bt.co.uk> Date: 27 Sep 89 14:24:44 GMT Reply-To: igb@fulcrum.bt.co.uk (Ian G Batten) Organization: BT Fulcrum, Birmingham, England Lines: 19 Should this code fragment compile under (1) pcc (2) an ANSI compiler? int x; switch (x) { case (int) 1: printf ("1\n"); break; case (int) 2: printf ("2\n"); break; } At least one compiler here rejects this, saying the case does not reduce to a constant expression. In fact, I suspect the general problem is ``is (int) constant a constant?'' ian