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Task/Associative-array-Iteration/EchoLisp/associative-array-iteration.echolisp

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+(lib 'hash) ;; load hash.lib
+(define H (make-hash))
+;; fill hash table
+(hash-set H 'Simon 42)
+(hash-set H 'Albert 666)
+(hash-set H 'Antoinette 33)
+
+;; iterate over (key . value ) pairs
+(for ([kv H]) (writeln kv))
+(Simon . 42)
+(Albert . 666)
+(Antoinette . 33)
+
+;; iterate over keys
+(for ([k (hash-keys H)]) (writeln 'key-> k))
+key->     Simon
+key->     Albert
+key->     Antoinette
+
+;; iterate over values
+(for ([v (hash-values H)]) (writeln 'value-> v))
+value->     42
+value->     666
+value->     33