I've created a Jira issue
CLJ-1083<http://dev.clojure.org/jira/browse/CLJ-1083> and
linked this conversation. I don't think there's anything else I can add to
the discussion so I'll leave it to the clojure team to take from here.
Thanks for the responses,
On 9 October 2012 15:03, Jay Fields <j...@jayfields.com> wrote:
> Fair enough. I never noticed it before, and I know I've seen ->
> converted to something similar to __GT_ in the debugger, so I
> (mistakenly) thought it had something to do with the repl.
>
> Looks like this has been around for awhile, or I'm doing something wrong.
>
> jfields@wud-jfields01:~$ lein repl
> REPL started; server listening on localhost port 44397
> user=> (defn a->b [])
> #'user/a->b
> user=> (a->b 1)
> java.lang.IllegalArgumentException: Wrong number of args (1) passed
> to: user$a (NO_SOURCE_FILE:0)
> user=> *clojure-version*
> {:major 1, :minor 2, :incremental 1, :qualifier ""}
>
> jfields@wud-jfields01:~$ lein --version
> Leiningen 1.7.1 on Java 1.6.0_33 Java HotSpot(TM) 64-Bit Server VM
>
> jfields@wud-jfields01:~$ lein2 repl
> nREPL server started on port 49847
> REPL-y 0.1.0-beta10
> Clojure 1.4.0
> Exit: Control+D or (exit) or (quit)
> Commands: (user/help)
> Docs: (doc function-name-here)
> (find-doc "part-of-name-here")
> Source: (source function-name-here)
> (user/sourcery function-name-here)
> Javadoc: (javadoc java-object-or-class-here)
> Examples from clojuredocs.org: [clojuredocs or cdoc]
> (user/clojuredocs name-here)
> (user/clojuredocs "ns-here" "name-here")
> user=> (defn a->b [])
> #'user/a->b
> user=> (a->b 1)
> ArityException Wrong number of args (1) passed to: user$a
> clojure.lang.AFn.throwArity (AFn.java:437)
>
> user=> *clojure-version*
> {:major 1, :minor 4, :incremental 0, :qualifier nil}
> user=> Bye for now!
>
> jfields@wud-jfields01:~$ lein2 --version
> Leiningen 2.0.0-preview10 on Java 1.6.0_33 Java HotSpot(TM) 64-Bit Server
> VM
>
> jfields@wud-jfields01:~/src/zubron$ lein2 repl
> nREPL server started on port 42865
> REPL-y 0.1.0-beta10
> Clojure 1.3.0
> Exit: Control+D or (exit) or (quit)
> Commands: (user/help)
> Docs: (doc function-name-here)
> (find-doc "part-of-name-here")
> Source: (source function-name-here)
> (user/sourcery function-name-here)
> Javadoc: (javadoc java-object-or-class-here)
> Examples from clojuredocs.org: [clojuredocs or cdoc]
> (user/clojuredocs name-here)
> (user/clojuredocs "ns-here" "name-here")
> user=> *clojure-version*
> {:major 1, :minor 3, :incremental 0, :qualifier nil}
> user=> (defn a->b [])
> #'user/a->b
> user=> (a->b 1)
> ArityException Wrong number of args (1) passed to: user$a
> clojure.lang.AFn.throwArity (AFn.java:437)
>
> user=> *clojure-version*
> {:major 1, :minor 3, :incremental 0, :qualifier nil}
> user=> Bye for now!
>
> Cheers, Jay
>
> On Tue, Oct 9, 2012 at 8:38 AM, Chas Emerick <c...@cemerick.com> wrote:
> > The message is produced in AFn.throwArity:
> >
> >
> https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/AFn.java#L434
> >
> > It looks like any name that contains a hyphen followed by a "special
> character" (w.r.t. allowable chars in Java classnames) will result in a
> munged (i.e. Compiler.munge()'ed) name containing a double-underscore
> sequence that is assumed by throwArity to be a system-generated suffix.
> >
> > This is perhaps another case where pushing var metadata (or some subset
> thereof) down to the function being defined in defns would be beneficial;
> AFunction could then override throwArity to just use the :name of the
> function being called, thus avoiding any confusion introduced by munged or
> un-munging names.
> >
> > None of the above is related to nREPL.
> >
> > - Chas
> >
> > On Oct 9, 2012, at 9:10 AM, Jay Fields wrote:
> >
> >> I noticed something similar, but I'm using 1.3. Maybe it's a bug in
> nrepl?
> >>
> >> On Tue, Oct 9, 2012 at 6:39 AM, Alex Nixon <a...@swiftkey.net> wrote:
> >>> Hey all,
> >>>
> >>> I believe I've come across a minor bug in Clojure 1.4.0 (and I see the
> same
> >>> behaviour in 1.5.0-alpha5):
> >>>
> >>> user=> (defn a->b [])
> >>> #'user/a->b
> >>> user=> (a->b 1)
> >>> ArityException Wrong number of args (1) passed to: user$a
> >>> clojure.lang.AFn.throwArity (AFn.java:437)
> >>>
> >>> Note that the reported function name in the stack trace is "user$a",
> where
> >>> it should be "user$a->b" (or some mangled variant thereof?)
> >>>
> >>> Cheers,
> >>> --
> >>> Alex Nixon
> >>>
> >>> Software Engineer | SwiftKey
> >>>
> >>> a...@swiftkey.net | http://www.swiftkey.net/
> >>>
> >>> ++++++
> >>> WINNER - MOST INNOVATIVE MOBILE APP - GSMA GLOBAL MOBILE AWARDS 2012
> >>>
> >>> Head office: 91-95 Southwark Bridge Road, London, SE1 0AX TouchType is
> a
> >>> limited company registered in England and Wales, number 06671487.
> Registered
> >>> office: 21 Lawn Terrace, Blackheath, London, SE3 9LL, United Kingdom.
> >>>
> >>> --
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> >>
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--
*Alex Nixon*
Software Engineer | SwiftKey
*a...@swiftkey.net** | http://www.swiftkey.net/*
++++++
WINNER - MOST INNOVATIVE MOBILE
APP<http://www.swiftkey.net/swiftkey-wins-most-innovative-app-at-mwc>
- GSMA GLOBAL MOBILE AWARDS 2012
Head office: 91-95 Southwark Bridge Road, London, SE1 0AX TouchType is a
limited company registered in England and Wales, number
06671487. Registered office: 21 Lawn Terrace, Blackheath, London, SE3 9LL,
United Kingdom.
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