Version 0 of SetOps, Emptiness

Updated 1999-03-24 15:46:14

Purpose: Definition and discussion of set functionality, especially the function to check a set for emptiness.

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::setops::empty set

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Arguments:

• Exactly one argument.
• The argument represents the set to check.
• The set is given by value, as tcl-list.

Result:

• A boolean value. 0 = set is not empty, 1 = set is empty

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Implementation:

 proc ::setops::empty {set} {
    expr {[llength $set] == 0}
 }

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-- AK