Back
some (clj)
(source)function
(some pred coll)
Returns the first logical true value of (pred x) for any x in coll,
else nil. One common idiom is to use a set as pred, for example
this will return :fred if :fred is in the sequence, otherwise nil:
(some #{:fred} coll)
Examples
clojure
(deftest division
(is (= clojure.core// /))
(binding [*ns* *ns*]
(eval '(do (ns foo
(:require [clojure.core :as bar])
(:use [clojure.test]))
(is (= clojure.core// bar//))))))
(deftest unknown-tag
(let [my-unknown (fn [tag val] {:unknown-tag tag :value val})
throw-on-unknown (fn [tag val] (throw (RuntimeException. (str "No data reader function for tag " tag))))
my-uuid (partial my-unknown 'uuid)
u "#uuid \"550e8400-e29b-41d4-a716-446655440000\""
s "#never.heard.of/some-tag [1 2]" ]
(binding [*data-readers* {'uuid my-uuid}
*default-data-reader-fn* my-unknown]
(testing "Unknown tag"
(is (= (read-string s)
{:unknown-tag 'never.heard.of/some-tag
:value [1 2]})))
(testing "Override uuid tag"
(is (= (read-string u)
{:unknown-tag 'uuid
:value "550e8400-e29b-41d4-a716-446655440000"}))))
(deftest reader-conditionals
(testing "basic read-cond"
(is (= '[foo-form]
(read-string {:read-cond :allow :features #{:foo}} "[#?(:foo foo-form :bar bar-form)]")))
(is (= '[bar-form]
(read-string {:read-cond :allow :features #{:bar}} "[#?(:foo foo-form :bar bar-form)]")))
(is (= '[foo-form]
(read-string {:read-cond :allow :features #{:foo :bar}} "[#?(:foo foo-form :bar bar-form)]")))
(is (= '[]
(read-string {:read-cond :allow :features #{:baz}} "[#?( :foo foo-form :bar bar-form)]"))))
(testing "environmental features"
(is (= "clojure" #?(:clj "clojure" :cljs "clojurescript" :default "default"))))
(testing "default features"
(is (= "default" #?(:clj-clr "clr" :cljs "cljs" :default "default"))))
(testing "splicing"
(is (= [] [#?@(:clj [])]))
(is (= [:a] [#?@(:clj [:a])]))
(is (= [:a :b] [#?@(:clj [:a :b])]))
(is (= [:a :b :c] [#?@(:clj [:a :b :c])]))
(is (= [:a :b :c] [#?@(:clj [:a :b :c])])))
(testing "nested splicing"
(is (= [:a :b :c :d :e]
[#?@(:clj [:a #?@(:clj [:b #?@(:clj [:c]) :d]):e])]))
(is (= '(+ 1 (+ 2 3))
'(+ #?@(:clj [1 (+ #?@(:clj [2 3]))]))))
(is (= '(+ (+ 2 3) 1)
'(+ #?@(:clj [(+ #?@(:clj [2 3])) 1]))))
(is (= [:a [:b [:c] :d] :e]
[#?@(:clj [:a [#?@(:clj [:b #?@(:clj [[:c]]) :d])] :e])])))
(testing "bypass unknown tagged literals"
(is (= [1 2 3] #?(:cljs #js [1 2 3] :clj [1 2 3])))
(is (= :clojure #?(:foo #some.nonexistent.Record {:x 1} :clj :clojure))))
(testing "error cases"
(is (thrown-with-msg? RuntimeException #"Feature should be a keyword" (read-string {:read-cond :allow} "#?((+ 1 2) :a)")))
(is (thrown-with-msg? RuntimeException #"even number of forms" (read-string {:read-cond :allow} "#?(:cljs :a :clj)")))
(is (thrown-with-msg? RuntimeException #"read-cond-splicing must implement" (read-string {:read-cond :allow} "#?@(:clj :a)")))
(is (thrown-with-msg? RuntimeException #"is reserved" (read-string {:read-cond :allow} "#?@(:foo :a :else :b)")))
(is (thrown-with-msg? RuntimeException #"must be a list" (read-string {:read-cond :allow} "#?[:foo :a :else :b]")))
(is (thrown-with-msg? RuntimeException #"Conditional read not allowed" (read-string {:read-cond :BOGUS} "#?[:clj :a :default nil]")))
(is (thrown-with-msg? RuntimeException #"Conditional read not allowed" (read-string "#?[:clj :a :default nil]")))
(is (thrown-with-msg? RuntimeException #"Reader conditional splicing not allowed at the top level" (read-string {:read-cond :allow} "#?@(:clj [1 2])")))
(is (thrown-with-msg? RuntimeException #"Reader conditional splicing not allowed at the top level" (read-string {:read-cond :allow} "#?@(:clj [1])")))
(is (thrown-with-msg? RuntimeException #"Reader conditional splicing not allowed at the top level" (read-string {:read-cond :allow} "#?@(:clj []) 1"))))
(testing "clj-1698-regression"
(let [opts {:features #{:clj} :read-cond :allow}]
(is (= 1 (read-string opts "#?(:cljs {'a 1 'b 2} :clj 1)")))
(is (= 1 (read-string opts "#?(:cljs (let [{{b :b} :a {d :d} :c} {}]) :clj 1)")))
(is (= '(def m {}) (read-string opts "(def m #?(:cljs ^{:a :b} {} :clj ^{:a :b} {}))")))
(is (= '(def m {}) (read-string opts "(def m #?(:cljs ^{:a :b} {} :clj ^{:a :b} {}))")))
(is (= 1 (read-string opts "#?(:cljs {:a #_:b :c} :clj 1)")))))
(testing "nil expressions"
(is (nil? #?(:default nil)))
(is (nil? #?(:foo :bar :clj nil)))
(is (nil? #?(:clj nil :foo :bar)))
(is (nil? #?(:foo :bar :default nil)))))
thheller/shadow-cljs
(ns shadow.remote.runtime.cljs.js-builtins
(:require
[goog.object :as gobj]
[clojure.core.protocols :as p]))
(extend-protocol p/Datafiable
;; FIXME: this is kind of a bad idea
;; can't do this for all objects, since none of the CLJS types implement this
;; protocol either. the protocol dispatch will end up using object
;; FIXME: this could detect CLJS types to some extent
;; or should it just implement the protocols for the types?
object
(datafy [o]
(if-not (identical? (.-__proto__ o) js/Object.prototype)
o
(with-meta
(->> (gobj/getKeys o)
(reduce
(fn [m key]
(assoc! m key (gobj/get o key)))
(transient {}))
(persistent!))
js/Error
(datafy [e]
(let [data (ex-data e)
file (.-fileName e)
line (.-lineNumber e)
column (.-columnNumber e)]
(-> {:message (.-message e)
:name (.-name e)
:stack (.-stack e)}
(cond->
(some? data)
(assoc :data data)
metosin/compojure-api
(ns example.handler
"Asynchronous compojure-api application."
(:require [compojure.api.sweet :refer :all]
[ring.util.http-response :refer :all]
[manifold.deferred :as d]
[clojure.core.async :as async]
compojure.api.async))
(def app
(api
{:swagger
{:ui "/"
:spec "/swagger.json"
:data {:info {:title "Simple"
:description "Compojure Api example"}
:tags [{:name "api", :description "some apis"}]}}}
PrecursorApp/precursor
(ns pc.http.routes.api
(:require [cemerick.url :as url]
[cheshire.core :as json]
[clojure.core.memoize :as memo]
[clojure.string :as str]
[clojure.tools.reader.edn :as edn]
[crypto.equality :as crypto]
[defpage.core :as defpage :refer (defpage)]
[pc.auth :as auth]
[pc.crm :as crm]
[pc.datomic :as pcd]
[pc.early-access]
[pc.http.doc :as doc-http]
[pc.http.team :as team-http]
[pc.http.handlers.custom-domain :as custom-domain]
[pc.models.chat-bot :as chat-bot-model]
[pc.models.doc :as doc-model]
[pc.models.flag :as flag-model]
[pc.models.team :as team-model]
[pc.profile :as profile]
[ring.middleware.anti-forgery :as csrf]
[slingshot.slingshot :refer (try+ throw+)]))
(defpage new [:post "/api/v1/document/new"] [req]
(let [params (some-> req :body slurp edn/read-string)
read-only? (:read-only params)
doc-name (:document/name params)]
(if-not (:subdomain req)
(let [cust-uuid (get-in req [:auth :cust :cust/uuid])
intro-layers? (:intro-layers? params)
doc (doc-model/create-public-doc!
(merge {:document/chat-bot (rand-nth chat-bot-model/chat-bots)}
(when cust-uuid {:document/creator cust-uuid})
(when read-only? {:document/privacy :document.privacy/read-only})
(when doc-name {:document/name doc-name})))]
(when intro-layers?
(doc-http/add-intro-layers doc))
{:status 200 :body (pr-str {:document (doc-model/read-api doc)})})
(if (and (:team req)
(auth/logged-in? req)
(auth/has-team-permission? (pcd/default-db) (:team req) (:auth req) :admin))
(let [doc (doc-model/create-team-doc!
(:team req)
(merge {:document/chat-bot (rand-nth chat-bot-model/chat-bots)}
(when-let [cust-uuid (get-in req [:cust :cust/uuid])]
{:document/creator cust-uuid})
(when read-only?
{:document/privacy :document.privacy/read-only})
(when doc-name
{:document/name doc-name})))]
{:status 200 :body (pr-str {:document (doc-model/read-api doc)})})
{:status 400 :body (pr-str {:error :unauthorized-to-team
:redirect-url (str (url/map->URL {:host (profile/hostname)
:protocol (if (profile/force-ssl?)
"https"
(name (:scheme req)))
:port (if (profile/force-ssl?)
(profile/https-port)
(profile/http-port))
:path "/new"
:query (:query-string req)}))
:msg "You're unauthorized to make documents in this subdomain. Please request access."})}))))
(defpage create-team [:post "/api/v1/create-team"] [req]
(let [params (some-> req :body slurp edn/read-string)
subdomain (some-> params :subdomain str/lower-case str/trim)
coupon-code (some-> params :coupon-code)
cust (get-in req [:auth :cust])]
(cond (empty? cust)
{:status 400 :body (pr-str {:error :not-logged-in
:msg "You must log in first."})}
hraberg/deuce
(ns deuce.emacs.casefiddle
(:use [deuce.emacs-lisp :only (defun defvar)])
(:require [clojure.core :as c]
[clojure.string :as s])
(:refer-clojure :exclude []))
(defun upcase (obj)
"Convert argument to upper case and return that.
The argument may be a character or string. The result has the same type.
The argument object is not altered--the value is a copy.
See also `capitalize', `downcase' and `upcase-initials'."
(if ((some-fn char? integer?) obj)
(int (Character/toUpperCase (int obj)))
(s/upper-case obj)))
(defun downcase (obj)
"Convert argument to lower case and return that.
The argument may be a character or string. The result has the same type.
The argument object is not altered--the value is a copy."
(if ((some-fn char? integer?) obj)
(int (Character/toLowerCase (int obj)))
(s/lower-case obj)))
hraberg/deuce
(ns deuce.emacs.textprop
(:use [deuce.emacs-lisp :only (defun defvar)])
(:require [clojure.core :as c])
(:refer-clojure :exclude []))
(defun next-char-property-change (position &optional limit)
"Return the position of next text property or overlay change.
This scans characters forward in the current buffer from POSITION till
it finds a change in some text property, or the beginning or end of an
overlay, and returns the position of that.
If none is found up to (point-max), the function returns (point-max).
(defun remove-list-of-text-properties (start end list-of-properties &optional object)
"Remove some properties from text from START to END.
The third argument LIST-OF-PROPERTIES is a list of property names to remove.
If the optional fourth argument OBJECT is a buffer (or nil, which means
the current buffer), START and END are buffer positions (integers or
markers). If OBJECT is a string, START and END are 0-based indices into it.
Return t if any property was actually removed, nil otherwise."
)
(defun next-property-change (position &optional object limit)
"Return the position of next property change.
Scans characters forward from POSITION in OBJECT till it finds
a change in some text property, then returns the position of the change.
If the optional second argument OBJECT is a buffer (or nil, which means
the current buffer), POSITION is a buffer position (integer or marker).
If OBJECT is a string, POSITION is a 0-based index into it.
Return nil if the property is constant all the way to the end of OBJECT.
If the value is non-nil, it is a position greater than POSITION, never equal.
(defun previous-char-property-change (position &optional limit)
"Return the position of previous text property or overlay change.
Scans characters backward in the current buffer from POSITION till it
finds a change in some text property, or the beginning or end of an
overlay, and returns the position of that.
If none is found since (point-min), the function returns (point-min).
(defun remove-text-properties (start end properties &optional object)
"Remove some properties from text from START to END.
The third argument PROPERTIES is a property list
whose property names specify the properties to remove.
(The values stored in PROPERTIES are ignored.)
If the optional fourth argument OBJECT is a buffer (or nil, which means
the current buffer), START and END are buffer positions (integers or
markers). If OBJECT is a string, START and END are 0-based indices into it.
Return t if any property was actually removed, nil otherwise.
(defun previous-property-change (position &optional object limit)
"Return the position of previous property change.
Scans characters backwards from POSITION in OBJECT till it finds
a change in some text property, then returns the position of the change.
If the optional second argument OBJECT is a buffer (or nil, which means
the current buffer), POSITION is a buffer position (integer or marker).
If OBJECT is a string, POSITION is a 0-based index into it.
Return nil if the property is constant all the way to the start of OBJECT.
If the value is non-nil, it is a position less than POSITION, never equal.