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| (defrecord Hashtable [hash-function data]) | |
| (defn create-hashtable [f] | |
| (Hashtable. f {})) | |
| (defn contains? [ht item] | |
| (let [map (:data ht) | |
| key ((:hash-function ht) item)] | |
| (map key))) | |
| (defn contains-any-like? [item ht] | |
| (let [map (:data ht) | |
| key ((:hash-function ht) item)] | |
| (clojure.core/contains? (vec (keys map)) key))) | |
| (defn insert [ht item] | |
| (let [map (:data ht) | |
| key ((:hash-function ht) item) | |
| similar (map key)] | |
| (assoc ht | |
| :map | |
| (assoc (:map ht) | |
| key | |
| (set (conj similar item)))))) | |
| (def my-empty (create-hashtable #(mod % 5))) | |
| (def with-one (insert my-empty 2)) | |
| (def with-another (insert with-one 7)) |
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