On Thu, Aug 9, 2012 at 2:54 PM, Baishampayan Ghose wrote:
> A "transient" map can't be a "persistent" map at the same time. You
> need to use the transient version of conj, called conj! to conjoin
> something into a transient map and then use persistent! to get a
> persistent version back.
>
> Pl
On Thu, Aug 9, 2012 at 6:19 PM, Jacek Laskowski wrote:
> What's the rationale behind
> TransientArrayMap *not* being a IPersistentCollection?
A "transient" map can't be a "persistent" map at the same time. You
need to use the transient version of conj, called conj! to conjoin
something into a tra
you must use conj! instead of conj.
在 2012-8-9 PM8:49，"Jacek Laskowski" 写道：
> Hi,
>
> I've been digging into the sources of Clojure and found frequencies.
> There's the transient function and I thought I'd use it with a map and
> conj. Why does this fail?
>
> user=> (conj {} {:y 1})
> {:y 1}
> use
Hi,
I've been digging into the sources of Clojure and found frequencies.
There's the transient function and I thought I'd use it with a map and
conj. Why does this fail?
user=> (conj {} {:y 1})
{:y 1}
user=> (conj (transient {}) {:y 1})
ClassCastException [trace missing]
I ran into the issue b
