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m →‎{{header|Tcl}}: use better template
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It's common to represent sets as an unordered list of elements. (It is also the most efficient representation.) The <code>struct::set</code> package contains operations for working on such sets-as-lists.
It's common to represent sets as an unordered list of elements. (It is also the most efficient representation.) The <code>struct::set</code> package contains operations for working on such sets-as-lists.


{{libheader|tcllib}}
{{tcllib|struct::set}}
<lang tcl>package require struct::set
<lang tcl>package require struct::set