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hara.state.base.atom
cursorclj
(cursor ref selector)(cursor ref selector key)adds a cursor to the atom to update on any change
(def a (atom {:a {:b 1}}))
(def ca (cursor a [:a :b]))
(do (swap! ca + 10) (swap! a update-in [:a :b] + 100) [(deref a) (deref ca)]) => [{:a {:b 111}} 111]
adds a cursor to the atom to update on any change
(def a (atom {:a {:b 1}}))
(def ca (cursor a [:a :b]))
(do (swap! ca + 10)
(swap! a update-in [:a :b] + 100)
[(deref a) (deref ca)])
=> [{:a {:b 111}} 111]derivedclj
(derived atoms f)(derived atoms f key)constructs an atom derived from other atoms
(def a (atom 1)) (def b (atom 10)) (def c (derived [a b] +))
(do (swap! a + 1) (swap! b + 10) [@a @b @c]) => [2 20 22]
constructs an atom derived from other atoms
(def a (atom 1))
(def b (atom 10))
(def c (derived [a b] +))
(do (swap! a + 1)
(swap! b + 10)
[@a @b @c])
=> [2 20 22]cljdoc is a website building & hosting documentation for Clojure/Script libraries
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