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select (clj)

(source)

function

(select pred xset)
Returns a set of the elements for which pred is true

Examples

clojure

(ns clojure.test-clojure.clojure-set
  (:use clojure.test)
  (:require [clojure.set :as set]))

(deftest test-select
  (are [x y] (= x y)
    (set/select integer? #{}) #{}
    (set/select integer? #{1 2}) #{1 2}
    (set/select integer? #{1 2 :a :b :c}) #{1 2}
    (set/select integer? #{:a :b :c}) #{}) )
clojure
(ns clojure.test-clojure.metadata
  (:use clojure.test
        [clojure.test-helper :only (eval-in-temp-ns)])
  (:require [clojure.set :as set]))

(deftest interaction-of-def-with-metadata
  (testing "initial def sets metadata"
    (let [v (eval-in-temp-ns
             (def ^{:a 1} foo 0)
             #'foo)]
      (is (= 1 (-> v meta :a)))))
  (testing "const vars preserve metadata"
    (let [[v1 v2] (eval-in-temp-ns
                   (def ^:const foo ^:foo [])
                   (def ^:const bar ^:foo [:bar])
                   [(meta foo) (meta bar)])]
      (is (= {:foo true} v1))
      (is (= {:foo true} v2))))
  #_(testing "subsequent declare doesn't overwrite metadata"
    (let [v (eval-in-temp-ns
             (def ^{:b 2} bar 0)
             (declare bar)
             #'bar)]
      (is (= 2 (-> v meta :b))))
    (testing "when compiled"
      (let [v (eval-in-temp-ns
               (def ^{:c 3} bar 0)
               (defn declare-bar []
                 (declare bar))
               (declare-bar)
               #'bar)]
        (is (= 3 (-> v meta :c))))))
  (testing "subsequent def with init-expr *does* overwrite metadata"
    (let [v (eval-in-temp-ns
             (def ^{:d 4} quux 0)
             (def quux 1)
             #'quux)]
      (is (nil? (-> v meta :d))))
    (testing "when compiled"
      (let [v (eval-in-temp-ns
               (def ^{:e 5} quux 0)
               (defn def-quux []
                 (def quux 1))
               (def-quux)
               #'quux)]
        (is (nil? (-> v meta :e))))))
  (testing "IllegalArgumentException should not be thrown"
    (testing "when defining var whose value is calculated with a primitive fn."
      (testing "This case fails without a fix for CLJ-852"
        (is (eval-in-temp-ns
             (defn foo ^long [^long x] x)
             (def x (inc (foo 10))))))
      (testing "This case should pass even without a fix for CLJ-852"
        (is (eval-in-temp-ns
             (defn foo ^long [^long x] x)
             (def x (foo (inc 10)))))))))
 
 (deftest fns-preserve-metadata-on-maps
   (let [xm {:a 1 :b -7}
         x (with-meta {:foo 1 :bar 2} xm)
         ym {:c "foo"}
         y (with-meta {:baz 4 :guh x} ym)]
 
     (is (= xm (meta (:guh y))))
     (is (= xm (meta (reduce #(assoc %1 %2 (inc %2)) x (range 1000)))))
     (is (= xm (meta (-> x (dissoc :foo) (dissoc :bar)))))
     (let [z (assoc-in y [:guh :la] 18)]
       (is (= ym (meta z)))
       (is (= xm (meta (:guh z)))))
     (let [z (update-in y [:guh :bar] inc)]
       (is (= ym (meta z)))
       (is (= xm (meta (:guh z)))))
     (is (= xm (meta (get-in y [:guh]))))
     (is (= xm (meta (into x y))))
     (is (= ym (meta (into y x))))
     
     (is (= xm (meta (merge x y))))
     (is (= ym (meta (merge y x))))
     (is (= xm (meta (merge-with + x y))))
     (is (= ym (meta (merge-with + y x))))
 
     (is (= xm (meta (select-keys x [:bar]))))
     (is (= xm (meta (set/rename-keys x {:foo :new-foo}))))
 
     ;; replace returns a seq when given a set.  Can seqs have
     ;; metadata?
     
     ;; TBD: rseq, subseq, and rsubseq returns seqs.  If it is even
     ;; possible to put metadata on a seq, does it make sense that the
     ;; seqs returned by these functions should have the same metadata
     ;; as the sorted collection on which they are called?
     ))
 
 (deftest fns-preserve-metadata-on-vectors
   (let [xm {:a 1 :b -7}
         x (with-meta [1 2 3] xm)
         ym {:c "foo"}
         y (with-meta [4 x 6] ym)]
 
     (is (= xm (meta (y 1))))
     (is (= xm (meta (assoc x 1 "one"))))
     (is (= xm (meta (reduce #(conj %1 %2) x (range 1000)))))
     (is (= xm (meta (pop (pop (pop x))))))
     (let [z (assoc-in y [1 2] 18)]
       (is (= ym (meta z)))
       (is (= xm (meta (z 1)))))
     (let [z (update-in y [1 2] inc)]
       (is (= ym (meta z)))
       (is (= xm (meta (z 1)))))
     (is (= xm (meta (get-in y [1]))))
     (is (= xm (meta (into x y))))
     (is (= ym (meta (into y x))))
 
     (is (= xm (meta (replace {2 "two"} x))))
     (is (= [1 "two" 3] (replace {2 "two"} x)))
 
     ;; TBD: Currently subvec drops metadata.  Should it preserve it?
     ;;(is (= xm (meta (subvec x 2 3))))
 
     ;; TBD: rseq returns a seq.  If it is even possible to put
     ;; metadata on a seq, does it make sense that the seqs returned by
     ;; these functions should have the same metadata as the sorted
     ;; collection on which they are called?
     ))
 
 (deftest fns-preserve-metadata-on-sets
   ;; TBD: Do tests independently for set, hash-set, and sorted-set,
   ;; perhaps with a loop here.
   (let [xm {:a 1 :b -7}
         x (with-meta #{1 2 3} xm)
         ym {:c "foo"}
         y (with-meta #{4 x 6} ym)]
 
     (is (= xm (meta (y #{3 2 1}))))
     (is (= xm (meta (reduce #(conj %1 %2) x (range 1000)))))
     (is (= xm (meta (-> x (disj 1) (disj 2) (disj 3)))))
     (is (= xm (meta (into x y))))
     (is (= ym (meta (into y x))))
 
     (is (= xm (meta (set/select even? x))))
     (let [cow1m {:what "betsy cow"}
           cow1 (with-meta {:name "betsy" :id 33} cow1m)
           cow2m {:what "panda cow"}
           cow2 (with-meta {:name "panda" :id 34} cow2m)
           cowsm {:what "all the cows"}
           cows (with-meta #{cow1 cow2} cowsm)
           cow-names (set/project cows [:name])
           renamed (set/rename cows {:id :number})]
       (is (= cowsm (meta cow-names)))
       (is (= cow1m (meta (first (filter #(= "betsy" (:name %)) cow-names)))))
       (is (= cow2m (meta (first (filter #(= "panda" (:name %)) cow-names)))))
       (is (= cowsm (meta renamed)))
       (is (= cow1m (meta (first (filter #(= "betsy" (:name %)) renamed)))))
       (is (= cow2m (meta (first (filter #(= "panda" (:name %)) renamed))))))
 
     ;; replace returns a seq when given a set.  Can seqs have
     ;; metadata?
 
     ;; union: Currently returns the metadata of the largest input set.
     ;; This is an artifact of union's current implementation.  I doubt
     ;; any explicit design decision was made to do so.  Like join,
     ;; there doesn't seem to be much reason to prefer the metadata of
     ;; one input set over another, if at least two input sets are
     ;; given, but perhaps defining it to always return a set with the
     ;; metadata of the first input set would be reasonable?
 
     ;; intersection: Returns metadata of the smallest input set.
     ;; Otherwise similar to union.
 
     ;; difference: Seems to always return a set with metadata of first
     ;; input set.  Seems reasonable.  Not sure we want to add a test
     ;; for it, if it is an accident of the current implementation.
 
     ;; join, index, map-invert: Currently always returns a value with
     ;; no metadata.  This seems reasonable.
     ))
clojure
(ns clojure.test-clojure.multimethods
  (:use clojure.test [clojure.test-helper :only (with-var-roots)])
  (:require [clojure.set :as set]))

(defn hierarchy-tags
  "Return all tags in a derivation hierarchy"
  [h]
  (set/select
   #(instance? clojure.lang.Named %)
   (reduce into #{} (map keys (vals h)))))

(defn tag-descendants
  "Set of descedants which are tags (i.e. Named)."
  [& args]
  (set/select
   #(instance? clojure.lang.Named %)
   (or (apply descendants args) #{})))
metabase/metabase
(ns metabase-enterprise.sandbox.api.user
  "Endpoint(s)for setting user attributes."
  (:require
   [clojure.set :as set]
   [compojure.core :refer [GET PUT]]
   [metabase.api.common :as api]
   [metabase.models.user :refer [User]]
   [metabase.util.i18n :refer [deferred-tru]]
   [metabase.util.malli :as mu]
   [metabase.util.malli.schema :as ms]
   [toucan2.core :as t2]))

;; TODO - not sure we need this endpoint now that we're just letting you edit from the regular `PUT /api/user/:id
;; endpoint
(api/defendpoint PUT "/:id/attributes"
  "Update the `login_attributes` for a User."
  [id :as {{:keys [login_attributes]} :body}]
  {id ms/PositiveInt
   login_attributes [:maybe UserAttributes]}
  (api/check-404 (t2/select-one User :id id))
  (pos? (t2/update! User id {:login_attributes login_attributes})))

(api/defendpoint GET "/attributes"
  "Fetch a list of possible keys for User `login_attributes`. This just looks at keys that have already been set for
  existing Users and returns those. "
  []
  (->>
   ;; look at the `login_attributes` for the first 1000 users that have them set. Then make a set of the keys
   (for [login-attributes (t2/select-fn-set :login_attributes User :login_attributes [:not= nil] {:limit 1000})
         :when (seq login-attributes)]
     (set (keys login-attributes)))
   ;; combine all the sets of attribute keys into a single set
   (reduce set/union #{})))
borkdude/speculative
(ns speculative.set
  (:require [clojure.set :as set]
            [clojure.spec.alpha :as s]
            [speculative.specs :as ss]))

(s/fdef set/select
  :args (s/cat :pred ::ss/predicate
               :xset ::nilable-set)
  :ret ::nilable-set)
district0x/district0x-network-token
(ns contribution.subs
  (:require
    [cljs-time.core :as t]
    [cljs-web3.core :as web3]
    [contribution.constants :as constants]
    [district0x.utils :as u]
    [goog.string :as gstring]
    [goog.string.format]
    [medley.core :as medley]
    [re-frame.core :refer [reg-sub]]
    [clojure.set :as set]
    [clojure.string :as string]))

(reg-sub
  :contribution/configuration
  (fn [db]
    (merge
      (select-keys db [:contribution/stopped? :contribution/founder1 :contribution/founder2
                       :contribution/early-sponsor :contribution/wallet :contribution/advisers
                       :contribution/max-gas-price])
      {:contribution-address (get-in db [:smart-contracts :contribution :address])
       :dnt-token-address (get-in db [:smart-contracts :dnt-token :address])})))
stuarthalloway/exploring-clojure
(ns exploring.persistent-data-structures
  (:require
   [clojure.repl :refer :all]
   [clojure.set :as set]))

(select-keys m [:a :d])
NoahTheDuke/coc-clojure
(ns build-commands
  (:require
   [babashka.fs :as fs]
   [babashka.process :as p]
   [cheshire.core :refer [generate-string parse-string]]
   [clojure.set :as set]
   [clojure.string :as str]))

(def commands-for-package
  (->> (concat commands-json aliases)
       (map #(-> (set/rename-keys % {:description :title})
            (assoc :command (str "lsp-clojure-" (:command %)))
            (select-keys [:command :title])))
       (sort-by :command)))