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Programming-Idioms

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Idiom #255 Print a set

Print the values of the set x to the standard output.
The order of the elements is irrelevant and is not required to remain the same next time.

print "$_\n" for @x;

Technically not a 'set' since an array can have repeat values. Either you need to enforce uniqueness yourself or use a module like Set::Light.
print(x);
using System;
foreach (var el in x)
{
    Console.WriteLine(el);
}
New implementation...
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programming-idioms.org 
print "$_\n" for @x;
print(x);
foreach (var el in x)
{
    Console.WriteLine(el);
}
Console.WriteLine(string.Join(Environment.NewLine, x));
for _, v := range x {
	fmt.Println(v)
}
print x
console.log(x);
System.out.println(x);
echo $x;
for el in x do writeln(el);
print(x)
puts x
println!("{:?}", x);