Hi Eamonn,
if you find this too tedious to write and use it quite often, then there is
always the possibility to hide things a little bit behind a facade.
class Clj {
static final Var seqVar = RT.var("clojure.core", "seq");
static final Var keywordVar = RT.var("clojure.core", "keyword");
static final Var hashMapVar = RT.var("clojure.core", "hash-map");
static Object seq(Object x) { return seqVar.invoke(x); }
static Object kw(String n) { return keywordVar.invoke(n); }
static Object kw(String n1, String n2) { return keywordVar.invoke(n1, n2); }
static Object hashMap(Object... args) { return
hashMapVar.applyTo((clojure.lang.ISeq)seq(args)); }
}
This would make names a little bit more meaningful (less “invoke”s) for the
functions you use most. And you might use your own function names. Of course
this won't reach the sugar you get from Clojure itself.
theMap = Clj.hashMap(Clj.kw("a"), 1, Clj.kw("b"), 2);
foo.invoke(Clj.kw("a"), theMap);
This translates directly into:
(let [the-map (hash-map :a 1 :b 2)]
(foo :a the-map))
It should be easy to understand what's going on despite the noise. I believe
Java devs are used to noise.
And FWIW: Not quoting "13rabc" by accident in the other scenario will not
result in the Reader complaining but puzzled looks where this magical value
came from. I personally don't particular like these moments.
My 0,02€. YMMV.
Sincerely
Meikel
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