Path: csiph.com!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Martin Gregorie Newsgroups: comp.lang.java.programmer Subject: Re: Multichar tokens Date: Sun, 14 Aug 2016 00:39:38 -0000 (UTC) Organization: A noiseless patient Spider Lines: 24 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 14 Aug 2016 00:39:38 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="e5160e2be48f1ea550cf61512446f525"; logging-data="14456"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+N/Hq8y9NAau1cRMigkGMSKnO7wn6R3f8=" User-Agent: Pan/0.140 (Chocolate Salty Balls; GIT 3663720 git://git.gnome.org/pan2) Cancel-Lock: sha1:gqpNMRwc7RT6TOFgEDiu/QeQdw4= Xref: csiph.com comp.lang.java.programmer:35313 On Sat, 13 Aug 2016 22:05:54 +0000, Stefan Ram wrote: > In Java, »- -2« must be written as »- -2« and not as »--2«, > because there also is a special »--« operator. So, when one does want > two consecutive unary minus operators, one needs to separate them by > white space. This also applies to »+«. > > There are several other character combinations with special meanings > [1]. > Java syntax isn't all that surprising because ++ and -- are always monadic operators while >> and << are dyadic. Any parser should know the difference between the two and so should not get this wrong. In any case, its quite unusual to see either ++ or -- used inside an arithmetic expression. I can't remember ever seeing that construct. -- martin@ | Martin Gregorie gregorie. | Essex, UK org |