ztellman

(require 
  '[clojure.string as str]
  '[manifold.stream :as s]
  '[byte-streams :as bs])

;; approach #1
(defn handler [s _]
  (s/connect
    (s/map #(str/upper-case (bs/to-string %)))
    s))

ztellman

Fiction

• Fictions and The Aleph by Borges
• Invisible Cities by Calvino

More Technical

• An Introduction to General Systems Thinking by Weinberg
• Data and Reality by Kent
• Patterns of Software by Gabriel

ztellman

(ns foami.core
  "FOreign Asynchronous Mechanism Interop"
  (:require [clojure.core.async :as async]))

(defn put! 
  "Takes a `ch`, a `msg`, a single arg function that when passed `true` enables backpressure
   and when passed `false` disables it, and a no-arg function which, when invoked, closes the
   upstream source."
  [ch msg backpressure! close!]
  (let [status (atom :sending]

ztellman

Keybase proof

I hereby claim:

• I am ztellman on github.
• I am ztellman (https://keybase.io/ztellman) on keybase.
• I have a public key whose fingerprint is 38F1 E8B7 E2E2 92D7 78EF 5993 36A8 9F3F 7E4C 9221

To claim this, I am signing this object:

ztellman

diff --git a/src/jvm/clojure/lang/PersistentUnrolledMap.java b/src/jvm/clojure/lang/PersistentUnrolledMap.java
new file mode 100644
index 0000000..c5b401c
--- /dev/null
+++ b/src/jvm/clojure/lang/PersistentUnrolledMap.java
@@ -0,0 +1,3292 @@
+/**
+ *   Copyright (c) Rich Hickey. All rights reserved.
+ *   The use and distribution terms for this software are covered by the
+ *   Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)

ztellman

(future
    (loop [next-update (+ (System/currentTimeMillis) 1e3)]
      (with-open [w (io/writer path)]
        (.write w (str (.time ^PartialFlake @f))))

      ;; sleep for a second before writing the next timestamp
      (Thread/sleep (- next-update (System/currentTimeMillis)))
      (recur (+ next-update 1e3))))

ztellman

(deftest test-let-flow
  (is (= 5
        @(let [z (future 1)]
           (let-flow [x (future (future z))
                      y (future (+ z x))]
             (future (+ x x y z)))))))

ztellman

(ns trice.stack
  (:require
    [clj-radix :as r])
  (:import
    [java.lang.reflect
     Array]
    [java.lang.management
     ThreadMXBean
     ManagementFactory
     ThreadInfo]

ztellman

(def ^ThreadLocal stack-depth (ThreadLocal.))

(def ^Executor overflow-protection-pool
  (let [cnt (atom 0)]
    (Executors/newCachedThreadPool
      (thread-factory #(str "manifold-overflow-protection-pool-" (swap! cnt inc))))))

(def ^:const max-depth 50)

(defmacro without-overflow [& body]

ztellman

(def b (->> "a-file" 
         java.io.File. 
         java.io.FileInputStream.
         aleph.formats/bytes->byte-array))

(use 'aleph.http)

(def s 
  (start-http-server
    (wrap-ring-handler