Symmetric difference: Difference between revisions
PascalABC.NET
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</pre>
=={{header|PascalABC.NET}}==
<syntaxhighlight lang="delphi">
begin
var s1: HashSet<string> := HSet('John', 'Serena', 'Bob', 'Mary', 'Serena');
var s2 := HSet('Jim', 'Mary', 'John', 'Jim', 'Bob');
Println((s1 - s2) + (s2 - s1));
Println(s1 - s2);
Println(s2 - s1);
end.
</syntaxhighlight>
{{out}}
<pre>
{Serena,Jim}
{Serena}
{Jim}
</pre>
=={{header|Perl}}==
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