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Task/Call-an-object-method/LFE/call-an-object-method-4.lfe

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+; Load the file and create a fish-class instance:
+
+> (slurp '"object.lfe")
+#(ok object)
+> (set mommy-fish (fish-class '"Carp"))
+<0.33.0>
+
+; Execute some of the basic methods:
+
+> (get-species mommy-fish)
+"Carp"
+> (move mommy-fish 17)
+The Carp swam 17 feet!
+ok
+> (get-id mommy-fish)
+"47eebe91a648f042fc3fb278df663de5"
+
+; Now let's look at modifying state data:
+
+> (get-children mommy-fish)
+()
+> (get-children-count mommy-fish)
+0
+> (set baby-fish-1 (reproduce mommy-fish))
+<0.34.0>
+> (get-id mommy-fish)
+"47eebe91a648f042fc3fb278df663de5"
+> (get-id baby-fish-1)
+"fdcf35983bb496650e558a82e34c9935"
+> (get-children-count mommy-fish)
+1
+> (set baby-fish-2 (reproduce mommy-fish))
+<0.35.0>
+> (get-id mommy-fish)
+"47eebe91a648f042fc3fb278df663de5"
+> (get-id baby-fish-2)
+"3e64e5c20fb742dd88dac1032749c2fd"
+> (get-children-count mommy-fish)
+2
+> (get-info mommy-fish)
+id: 47eebe91a648f042fc3fb278df663de5
+species: Carp
+children: ["fdcf35983bb496650e558a82e34c9935",
+           "3e64e5c20fb742dd88dac1032749c2fd"]
+ok