Symmetric difference: Difference between revisions
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First example shows symmetric difference w/o using `><` operator
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Line 2,675:
Put('ListA -> ', ListA);
Put('ListB -> ', ListB);
Put('ListA >< ListB -> ', (ListA
Put('ListA - ListB -> ', ListA - ListB);
Put('ListB - ListA -> ', ListB - ListA);
Line 3,202:
</pre>
=={{header|Refal}}==
<syntaxhighlight lang="refal">$ENTRY Go {
, John Bob Mary Serena: e.A
, Jim Mary John Bob: e.B
= <Prout <Symdiff (e.A) (e.B)>>;
};
Symdiff {
(e.1) (e.2), <Diff (<Set e.1>) (<Set e.2>)>: e.3
, <Diff (<Set e.2>) (<Set e.1>)>: e.4
= <Union (e.3) (e.4)>;
};
Set {
= ;
s.1 e.1 s.1 e.2 = <Set e.1 s.1 e.2>;
s.1 e.1 = s.1 <Set e.1>;
};
Union {
(e.1) (e.2) = <Set e.1 e.2>;
};
Diff {
() (e.1) = ;
(e.1) () = e.1;
(s.1 e.1) (e.2 s.1 e.3) = <Diff (e.1) (e.2 e.3)>;
(s.1 e.1) (e.2) = s.1 <Diff (e.1) (e.2)>;
};</syntaxhighlight>
{{out}}
<pre>Serena Jim</pre>
=={{header|REXX}}==
===version 1===
Line 3,768 ⟶ 3,799:
=={{header|Wren}}==
{{libheader|Wren-set}}
<syntaxhighlight lang="
var symmetricDifference = Fn.new { |a, b| a.except(b).union(b.except(a)) }
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