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frenchy64/core-typed-interop.clj

Forked from txus/core-typed-interop.clj
Created April 26, 2015 18:50
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core-typed-interop.clj
(ns typed.core
(:require [clojure.core.typed :as t]))
(t/ann-datatype Foo [fooName :- t/Str])
(deftype Foo [fooName])
(t/ann-datatype Bar [barName :- t/Str])
(deftype Bar [barName])
(t/ann theName [(t/U Foo Bar) -> t/Str])
(defmulti theName class)
(defmethod theName Foo [^Foo f] (.fooName f))
(defmethod theName Bar [^Bar f] (.barName f))
(t/check-ns)
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