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$a
clojure.lang.AFn.throwArity (AFn.java:437)
user=> *clojure-version*
{:major 1, :minor 3, :incremental 0, :qualifier nil}
user=> Bye for now!
Cheers, Jay
On Tue, Oct 9, 2012 at 8:38 AM, Chas Emerick <[email protected]> wrote:
> The message is produced in AFn.throwArity:
>
> https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/AFn.java#L434
>
> It looks like any name that contains a hyphen followed by a "special
> character" (w.r.t. allowable chars in Java classnames) will result in a
> munged (i.e. Compiler.munge()'ed) name containing a double-underscore
> sequence that is assumed by throwArity to be a system-generated suffix.
>
> This is perhaps another case where pushing var metadata (or some subset
> thereof) down to the function being defined in defns would be beneficial;
> AFunction could then override throwArity to just use the :name of the
> function being called, thus avoiding any confusion introduced by munged or
> un-munging names.
>
> None of the above is related to nREPL.
>
> - Chas
>
> On Oct 9, 2012, at 9:10 AM, Jay Fields wrote:
>
>> I noticed something similar, but I'm using 1.3. Maybe it's a bug in nrepl?
>>
>> On Tue, Oct 9, 2012 at 6:39 AM, Alex Nixon <[email protected]> wrote:
>>> Hey all,
>>>
>>> I believe I've come across a minor bug in Clojure 1.4.0 (and I see the same
>>> behaviour in 1.5.0-alpha5):
>>>
>>> user=> (defn a->b [])
>>> #'user/a->b
>>> user=> (a->b 1)
>>> ArityException Wrong number of args (1) passed to: user$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
>>>
>>> [email protected] | 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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