Collections: Difference between revisions
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* A Map object is serializable into JSON only if it uses one of the following data types as a key.
Boolean, Date, DateTime, Decimal, Double, Enum, Id, Integer, Long, String, Time
=={{header|Arturo}}==
===Array===
<lang arturo>// initialize array
array #("one" 2 "three" "four")
// add an element to the array
array array + #(5)
print array</lang>
{{out}}
<pre>#("one" 2 "three" "four" 5)</pre>
===Dictionary===
<lang arturo>// initialize dictionary
dict #{
name "john"
surname "doe"
age 33
preferedFood #("fruit" "pizza")
}
// add an element to the dictionary
dict dict + #{ country "Spain" }
print dict</lang>
{{out}}
<pre>#{
age 33
country "Spain"
name "john"
preferedFood #(
"fruit"
"pizza"
)
surname "doe"
}</pre>
===Class===
<lang arturo>// define a new class-type dictionary
Person #{
name ""
surname ""
init [n,s]{
name n
surname s
}
sayHello {
print "Hello " + name + "!"
}
}
// create a new Person object and initialize it
person $(new ~Person "John" "Doe")
// use an inner function
!person.sayHello
log person</lang>
{{out}}
<pre>Hello John!
#{
init <function: 0x1057223E0>
name "John"
sayHello <function: 0x105722440>
surname "Doe"
}</pre>
=={{header|AutoHotkey}}==
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