Definitely something weird going on. If I don’t use transit and just use 
pr-str/read-string then it works fine.

> On 25 Sep 2015, at 10:41 PM, Ivan Willig <[email protected]> wrote:
> 
> I believe this is because the `type` function returns a type's
> constructor function in JavaScript parlance. You can find `type` here.
> 
> https://github.com/clojure/clojurescript/blob/2fa41e7969d22f72876122d2250baf4ef936e6e9/src/main/cljs/cljs/core.cljs#L250-L254
> 
> Under the hood, transit-cljs uses transit-js as you can see here,
> https://github.com/cognitect/transit-cljs/blob/master/src/cognitect/transit.cljs#L110
> 
> And the constructor function for a UUID in transit-js looks like
> https://github.com/cognitect/transit-js/blob/620906704f9f6904745895878ad3228607836d31/src/com/cognitect/transit/types.js#L248-L252.
> 
> I would guess that you are getting back the
> com.cognitect.transit.types.UUID type and not the clojurescript
> version of a UUID. When you create a UUID in the repl you are of
> course getting the cljs version UUID.
> 
> However, I just started to understand transit so I maybe wrong.
> 
> Hope this helps.
> Ivan Willig
> 
> 
> 
> On Fri, Sep 25, 2015 at 5:19 PM, Colin Yates <[email protected]> wrote:
>> First, this is almost certainly my fault but I am scratching my head how to 
>> proceed.
>> 
>> I am using transit (json) to send messages from the server to the client and 
>> it is working great except my UUIDs don’t seem to be coming across:
>> 
>> cljs.user=> id
>> #uuid "9e7200f4-419c-461e-a9e5-f6b07f8dcd8f"
>> cljs.user=> (type id)
>> #object[Function "function (high, low) {
>>   this.high = high;
>>   this.low = low;
>>   this.hashCode = -1;
>> }"]
>> 
>> previously (type id) would return cljs.core/UUID. Transit is working 
>> elsewhere - it is converting sequences and keywords etc., but every UUID has 
>> the above type.
>> 
>> If I go to a fig wheel REPL and create a new UUID then it correctly reports 
>> the type as "cljs.core/UUID".
>> 
>> I have no idea how to proceed or how to interpret the result of (type id).
>> 
>> Any pointers?
>> 
>> Thanks.
>> 
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