:1 and :3 are keywords, not numbers.
map literals are specified in terms of key-value pairs; for example, in {a b
c d}, a and c are keys, b and d are values. In your person struct, :1 is
only used as a key once, which is why that works. This might help make
things clearer:
(struct person
{:1
"english person"
[{:2 "Andrew D"
[{:3 "father Andrew D"
:3 "mother Lisa D"}]
:2 "Justin M"
[{:3 "Elisa M"}]}]
:1
"chinese person"
[{:2 "Chi chi"}]
})
In the first pair, :1 is the key, "english person" is the value. In the
second pair, the nested vector/map thing is the key, :1 is the value. In
the last pair, "chinese person" is the key, the vector containing a map is
the value.
With all due respect, the questions you've posted to the list contain some
misunderstandings about certain Clojure fundamentals. May I suggest taking
the time to work through a tutorial or book? It will make life easier going
forward. There are many good choices to pick from, but this is one of my
personal favorites:
http://java.ociweb.com/mark/clojure/article.html
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