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public class Null {
    public static void main(String args[]) {
        new String((String)null);
    }
}

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(defprotocol Foo
  (alpha [this a])
  (beta [this a]))

(defrecord Bar []
  Foo
  (alpha [_ a]
    (inc a))
  (beta [this a]
    (inc (alpha this a))))

shepmaster

(ns reemvoweler.sync)

(defn build-sentence [orig-tree tree words chars consonants vowels]
  (lazy-seq
   (if tree
     (concat
      (if-let [[c & consonants] (seq consonants)]
        (build-sentence orig-tree (get tree c) words (conj chars c) consonants vowels))
      (if-let [[v & vowels] (seq vowels)]
        (build-sentence orig-tree (get tree v) words (conj chars v) consonants vowels))

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(defun dabbrev-allow-symbols ()
  (setq-local dabbrev-abbrev-skip-leading-regexp ":"))

(add-hook 'ruby-mode-hook 'dabbrev-allow-symbols)
(add-hook 'clojure-mode-hook 'dabbrev-allow-symbols)

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CREATED BY                                                                                                                      SIZE
/bin/sh -c chown -R bree /srv/www                                                                                               204.1 MB
/bin/sh -c #(nop) ADD dir:1ba5e606b64673a429a6e41f22dd80c96f6b9fafb5e9988d813202ac9fd17ef0 in /srv/www                          204.1 MB
/bin/sh -c sudo -u bree bundle install --deployment --without development test doc                                              203.2 MB

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CREATED BY                                                                                                                      SIZE
/bin/sh -c #(nop) VOLUME /srv/www/public                                                                                        0 B
/bin/sh -c #(nop) EXPOSE map[3000/tcp:{}]                                                                                       0 B
/bin/sh -c #(nop) VOLUME /srv/www/log                                                                                           0 B
/bin/sh -c #(nop) CMD [rails server]                                                                                            0 B
/bin/sh -c #(nop) ENTRYPOINT [bundle exec]                                                                                      0 B
/bin/sh -c bundle exec rake bower:install['--quiet --config.interactive=false'] assets:precompile                               4.984 MB
/bin/sh -c #(nop) USER bree                                                                   

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$(this).each -> that.load that._.defaults options, into: $(this)

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(ns typed.core
  (:require [clojure.core.typed :as t :refer [ann ann-form def-alias declare-names]]))

(def-alias Cow '{:type ':cow})
(def-alias Pig '{:type ':pig})
(def-alias Animal (U Cow Pig))

(t/ann in-the-barn '[Animal Animal *])
(def in-the-barn [{:type :cow} {:type :pig}])

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Type Error (NO_SOURCE_FILE:18:1) Type mismatch:

Expected:       (U Long Integer BigInteger BigInt Byte Short (Value :empty))

Actual:         (U Long Integer BigInteger BigInt Byte Short (Value :empty) nil)
in: (if (seq c) (last c) :empty)

Type Error (NO_SOURCE_FILE:18:1) Type mismatch:

Expected:       (Fn [(t/Coll t/AnyInteger) -> (U t/AnyInteger (Value :empty))])

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(defmethod evaluate-one :assignment [system stmt]
  (let [[_ name val] stmt
        _ (assert val) ;; <--- Removing this removes the error 
        val (evaluate system val)]
    (swap! (:variables system) var/add-binding name val)))