Power set: Difference between revisions

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=={{header|Swift}}==
=={{header|Swift}}==
{{works with|Swift|Revision 4.1 - tested with Xcode 9.2 playground}}
{{works with|Swift|Revision 4 - tested with Xcode 9.2 playground}}


<lang Swift>func powersetFrom<T>(_ elements: Set<T>) -> Set<Set<T>> {
<lang Swift>func powersetFrom<T>(_ elements: Set<T>) -> Set<Set<T>> {