On 12 Jul 2010, at 16:13, aria42 wrote:
> Is there a way to set up a map so that there is a default function
> which depending on the key returns a value if one is not present in
> the map. I can obviously write this with a deftype and have it
> implement Associative, Seqable, etc. so it behaves l
Is there a way to set up a map so that there is a default function
which depending on the key returns a value if one is not present in
the map. I can obviously write this with a deftype and have it
implement Associative, Seqable, etc. so it behaves like a built-in
map, but just wondering if there w
