That does, in fact, fix the compile issue. Thanks!

The cast error, however, persists. It's something to do with reloading the 
namespace with the defrecord. Once it happens, it takes a "lein clean" to 
clear. After that it works w/o error until the namespace is reloaded. It's 
something to do with referencing the defrecord from another namespace, or 
aot compiling. So far I haven't found a solution. It appears that an aot 
compiled file can't reference a function with a type hint for a defrecord 
if the namespace with that defrecord is then dynamically reloaded. Or 
something. It all looks exceedingly complex at this point.


On Wednesday, July 16, 2014 8:36:35 PM UTC-7, Andy Fingerhut wrote:
>
> Try fully qualifying the class name in the return type hint.
>
> Might be the same symptom as in this ticket: 
> http://dev.clojure.org/jira/browse/CLJ-1232
>
> Andy
>
>
> On Wed, Jul 16, 2014 at 7:18 PM, Brian Craft <craft...@gmail.com 
> <javascript:>> wrote:
>
>> Apparently this is due to a class loader problem.
>>
>> I moved it into a different file to try to avoid the problem. However I'm 
>> now finding that nothing referencing foo will compile, throwing this error:
>>
>> CompilerException java.lang.IllegalArgumentException: Unable to resolve 
>> classname: PStatement
>>
>> No idea what to do with this. Is it not possible to type hint methods 
>> returning records?
>>
>> On Wednesday, July 16, 2014 4:21:22 PM UTC-7, Brian Craft wrote:
>>>
>>> Trying to eliminate a reflection warning, I put a type hint on a 
>>> function, like
>>>
>>> (defn foo ^PStatement [] ...)
>>>
>>> which compiles without the reflection warnings, but at run time I get
>>>
>>> ClassCastException java.lang.ClassCastException: cavm.h2.PStatement 
>>> cannot be cast to cavm.h2.PStatement
>>>
>>> What does this mean? PStatement is a defrecord type.
>>>
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