...to do that, without the "makeClosure":
http://rosettacode.org/wiki/Closures/Value_capture#Less_Functional...

Any of the versions where you can see "[c]" or "[b]" where c/b is...

...use in real life.

Many of the rosettacode entries are very misleading and unidiomatic,
they...

...So if you want to work on Rosettacode it's better to write an entry...

Arguably, your code allocates a lot.

To speed it up, arguably, you could store a...

...first 3 are the ones on the Rosettacode site, and the #4 is yours):

lzw1...

Artur Skawina:

write readable and efficient code. So lets do a saner implementation:<

I think...

Ugh. So how does it perform wrt the D version that I wrote for you...

Third version added:
http://rosettacode.org/wiki/LZW_compression#More_Efficient_Version

I have tried...

I don't think it shows a limit of "slices" in and out of itself...