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  1. (defn grep-n [n pred coll]
  2.   (-> (comp 
  3.        (map-indexed (fn [i x] (clojure.lang.MapEntry. i x)))
  4.        (xforms/partition (-> n (* 2) inc) 1)
  5.        (filter #(-> % (nth n) val pred))
  6.        cat
  7.        (distinct)
  8.        (map val)
  9.        (remove #{::nil}))
  10.       (sequence (concat (repeat n ::nil) coll (repeat n ::nil)))))
Runtime error #stdin #stdout #stderr 1.09s 74156KB
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Exception in thread "main" java.lang.RuntimeException: No such namespace: xforms, compiling:(/home/HTuXtU/prog.clj:4:8)
	at clojure.lang.Compiler.analyze(Compiler.java:6688)
	at clojure.lang.Compiler.analyze(Compiler.java:6625)
	at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3766)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6870)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyze(Compiler.java:6625)
	at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3834)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6870)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyze(Compiler.java:6625)
	at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3834)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6870)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6856)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyze(Compiler.java:6625)
	at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:6001)
	at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5380)
	at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3972)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6866)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6856)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.access$300(Compiler.java:38)
	at clojure.lang.Compiler$DefExpr$Parser.parse(Compiler.java:589)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6868)
	at clojure.lang.Compiler.analyze(Compiler.java:6669)
	at clojure.lang.Compiler.analyze(Compiler.java:6625)
	at clojure.lang.Compiler.eval(Compiler.java:6931)
	at clojure.lang.Compiler.load(Compiler.java:7379)
	at clojure.lang.Compiler.loadFile(Compiler.java:7317)
	at clojure.main$load_script.invokeStatic(main.clj:275)
	at clojure.main$script_opt.invokeStatic(main.clj:335)
	at clojure.main$script_opt.invoke(main.clj:330)
	at clojure.main$main.invokeStatic(main.clj:421)
	at clojure.main$main.doInvoke(main.clj:384)
	at clojure.lang.RestFn.invoke(RestFn.java:408)
	at clojure.lang.Var.invoke(Var.java:379)
	at clojure.lang.AFn.applyToHelper(AFn.java:154)
	at clojure.lang.Var.applyTo(Var.java:700)
	at clojure.main.main(main.java:37)
Caused by: java.lang.RuntimeException: No such namespace: xforms
	at clojure.lang.Util.runtimeException(Util.java:221)
	at clojure.lang.Compiler.resolveIn(Compiler.java:7134)
	at clojure.lang.Compiler.resolve(Compiler.java:7108)
	at clojure.lang.Compiler.analyzeSymbol(Compiler.java:7069)
	at clojure.lang.Compiler.analyze(Compiler.java:6648)
	... 40 more
https://ideone.com/YDLVT5
language:
Clojure (clojure 1.10.0)
created:
6 years ago
visibility:
secret

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