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(defn my-get | |
"@param {*} m | |
@param {*} k | |
@return {nil|Object}" | |
[m k] | |
(get m k)) | |
(defn foo | |
"@param {!Object} x" ;; non-nullable | |
[x] x) | |
(let [m {:foo 1} | |
v (my-get m :foo)] | |
(js/alert (foo v))) ;; type error | |
(defn bar | |
"@param {PersistentVector} x" | |
[x] x) | |
(bar {}) ;; type error | |
;; WARNING: 2 error(s), 1 warning(s), 73.5% typed | |
;; ERROR: JSC_TYPE_MISMATCH. actual parameter 2 of nullable.core.foo.call does not match formal parameter | |
;; found : (Object|null) | |
;; required: Object at /Users/davidnolen/development/clojure/nullable/out/nullable/core.js line 20 : 34 | |
;; ERROR: JSC_TYPE_MISMATCH. actual parameter 2 of nullable.core.bar.call does not match formal parameter | |
;; found : cljs.core.PersistentArrayMap | |
;; required: (cljs.core.PersistentVector|null) at /Users/davidnolen/development/clojure/nullable/out/nullable/core.js line 27 : 28 |
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