On Monday, November 18, 2013 3:58:10 PM UTC-8, kovasb wrote:
>
> There are a large number of high quality libraries like instaparse,
> cascalog, storm, overtone, friend, etc. I find it pretty easy to tell
> the difference between a hobby and production project. Besides the
> typically liveliness measures, its also helpful to know the reputation
> (or lack thereof) of the people behind the projects.
>
Yes, there are these fairly advanced libraries in very specific domains,
but the core libraries are extremely weak.
For example, I have a project with rather modest requirements, one of them
being abstract path manipulation. In javascript:
path.normalize(path.join("one", "two", "..", "three"))
'one/three'
ruby:
irb(main):003:0> Pathname.new("one") + "two" + ".." + "three"
=> #<Pathname:one/three>
python:
>>> os.path.normpath(os.path.join("one", "two", "..", "three"))
'one/three'
In clojure, people recommend me.raynes.fs:
=> (fs/file "one" "two" ".." "three")
#<File /inside/home/craft/cavm/one/two/../three>
ugh.
=> (fs/normalized-path (fs/file "one" "two" ".." "three"))
#<File /inside/home/craft/cavm/one/three>
um, no. Turns out there is no abstract path join + normalization in
me.raynes.fs. I haven't found an alternative in clojure.
This is trivial to work around, but I hit this kind of thing constantly
with every clojure library I use: clojure libraries are about 70%
implemented, and 90% correct, which makes a weak foundation. I was amused
to find the Lisp Curse article a few weeks ago, which describes this
situation. It's often easier to write something from scratch than to patch
one of the partially-implemented libraries. But this scales poorly, and one
is truly starting from zero with clojure.
Of course clojure is a relatively new language, with a much smaller number
of users than javascript, python, and ruby, so I expect the libraries to be
less complete. What I don't expect is clojure users to report that the
libraries are just great. Clojure libraries are very weak compared to other
modern languages.
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