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(^), infix ⊖
Combined from primary sources listed below.

In Sets, bags, and mixes§

See primary documentation in context for infix (^), infix ⊖.

Returns the symmetric set difference of all its arguments. More information, Wikipedia definition.

In Operators§

See primary documentation in context for infix (^), infix ⊖. 

multi infix:<(^)>($a, $b)
multi infix:<(^)>(**@p)

Symmetric set difference operator.

Returns the symmetric set difference of all its arguments. This creates a new Set made up of all the elements that $a has but $b doesn't and all the elements $b has but $a doesn't if none of the arguments are a Bag, BagHash, Mix or MixHash. Equivalent to ($a ∖ $b) ∪ ($b ∖ $a).

say <a b> (^) <b c>; # OUTPUT: «Set(a c)␤»

If any of the arguments are Baggy or Mixy, the result is a new Bag (or Mix).

say <a b> ⊖ bag(<b c>); # OUTPUT: «Bag(a c)␤»