Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #20955

Re: Why is that in JDK8: value used in lambda expression shuld be effectively final?

Path csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail
From Steven Simpson <ss@domain.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: Why is that in JDK8: value used in lambda expression shuld be effectively final?
Date Fri, 04 Jan 2013 21:32:38 +0000
Organization A noiseless patient Spider
Lines 14
Message-ID <mcujr9-dfs.ln1@s.simpson148.btinternet.com> (permalink)
References <c885bedb-977c-49b4-a10a-b9cdd3df1dd9@googlegroups.com> <m0sdr9-0tg.ln1@s.simpson148.btinternet.com> <9f030e71-96ab-4ead-9690-4369f4a19aa9@googlegroups.com> <pk7er9-i4j.ln1@s.simpson148.btinternet.com> <d6fdb884-3181-4b37-a011-6da19e649758@googlegroups.com> <odmer9-onl.ln1@s.simpson148.btinternet.com> <0680c1e0-16cb-4791-8a5f-95a3ff2bcba8@googlegroups.com> <fa166a9f-b0ed-4eba-9789-97ef2f67923a@googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding 7bit
Injection-Info mx04.eternal-september.org; posting-host="0d771e3708e29ef01409ed69429633ae"; logging-data="2947"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/kdMCRLIb8TUvy7vYWoDnwSCnBQhTpoPk="
User-Agent Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0
In-Reply-To <fa166a9f-b0ed-4eba-9789-97ef2f67923a@googlegroups.com>
Cancel-Lock sha1:OhkXZDTNkswyYFzw/ty/jtoo3fg=
Xref csiph.com comp.lang.java.programmer:20955

Show key headers only | View raw


On 03/01/13 14:45, Saxo wrote:
> http://objectscape.blogspot.de/2013/01/jdk8-lambdas-as-restrictive-as.html

I'm still interested in seeing an example that you would normally write 
with free variables, demonstrating that lambdas are inadequate for the 
things you'd like to do.  The example you provided of summing integers 
has two alternatives, so it only serves to show that free variables are 
not possible, not that free variables are necessary.

Can you contrive something more sophisticated, as an exercise?

-- 
ss at comp dot lancs dot ac dot uk

Back to comp.lang.java.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? jeti789@web.de - 2013-01-02 07:08 -0800
  Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? jeti789@web.de - 2013-01-02 07:52 -0800
  Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-02 17:33 +0000
    Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-02 11:31 -0800
      Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Lew <lewbloch@gmail.com> - 2013-01-02 12:52 -0800
        Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-02 20:58 -0400
          Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Lew <lewbloch@gmail.com> - 2013-01-02 17:40 -0800
            Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-01-03 20:43 -0400
        Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-02 23:44 -0800
          Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Patricia Shanahan <pats@acm.org> - 2013-01-03 07:57 -0800
            Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Lew <lewbloch@gmail.com> - 2013-01-03 13:22 -0800
              Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Patricia Shanahan <pats@acm.org> - 2013-01-03 16:14 -0800
      Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-02 21:46 +0000
        Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Lew <lewbloch@gmail.com> - 2013-01-02 17:35 -0800
        Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-03 02:13 -0800
          Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-03 06:45 -0800
            Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-04 21:32 +0000
              Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2013-01-04 14:38 -0800
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-04 23:45 +0000
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2013-01-04 17:24 -0800
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-05 13:20 +0000
              Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-05 01:50 -0800
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-05 11:21 +0000
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Saxo <jeti789@web.de> - 2013-01-05 04:27 -0800
                Re: Why is that in JDK8: value used in lambda expression shuld be effectively final? Steven Simpson <ss@domain.invalid> - 2013-01-05 12:58 +0000

csiph-web