Associative array/Creation: Difference between revisions

=={{header|EMal}}==

<syntaxhighlight lang="emal">

Map empty = Map(int, text) # creates an empty map

writeLine(empty)

var longFruit = Map(int, text).of(1, "banana") # creates a map with the pair 1 => "banana"

longFruit[2] = "melon" # associates a key of 2 with "melong"

longFruit.insert(3, "avocado")

writeLine(longFruit) # prints the map

var shortFruit = int%text[4 => "kiwi", 5 => "apple"] # map creation using arrow notation

writeLine(shortFruit[5]) # retrieves the value with a key of 5 and prints it out

writeLine(shortFruit.length) # prints the number of entries

writeLine(shortFruit) # prints the map

writeLine(text%text["Italy" => "Rome", "France" => "Paris", "Germany" => "Berlin", "Spain" => "Madrid"])

</syntaxhighlight>

{{out}}

<pre>

[]

[1:banana,2:melon,3:avocado]

apple

2

[4:kiwi,5:apple]

[Italy:Rome,France:Paris,Germany:Berlin,Spain:Madrid]

</pre>