Multiple distinct objects: Difference between revisions

=={{header|Wren}}==

<lang ecmascript>class Foo {

static init() { __count = 0 } // set object counter to zero

construct new() {

__count = __count + 1 // increment object counter

_number = __count // allocates a unique number to each object created

}

number { _number }

}

Foo.init() // set object counter to zero

var n = 10 // say

// Create a List of 'n' distinct Foo objects

var foos = List.filled(n, null)

for (i in 0...foos.count) foos[i] = Foo.new()

// Show they're distinct by printing out their object numbers

foos.each { |f| System.write("%(f.number) ") }

System.print("\n")

// Now create a second List where each of the 'n' elements is the same Foo object

var foos2 = List.filled(n, Foo.new())

// Show they're the same by printing out their object numbers

foos2.each { |f| System.write("%(f.number) ") }

System.print()</lang>

{{out}}

<pre>

1 2 3 4 5 6 7 8 9 10

11 11 11 11 11 11 11 11 11 11

</pre>