From: gabriele renzi Date: 2003-04-14T01:34:42+09:00 Subject: Re: Need IO Optimization help il Sat, 12 Apr 2003 03:25:47 +0900, Brian Candler ha scritto:: >You can eliminate the extra argument by doing > > mycounter = mycounter.succ well I suppose his point is that not using Fixnum you can have Counter.succ!, without the need for an assignment , written directly in C, possibly faster.. (and though possibly low level optimized as in "inc reg" vs "add reg,1" )