Version 3 of union

Updated 2007-11-07 19:22:59 by glennj

Procedure to return the logical union of the two specified lists. Any duplicate elements are removed.

Usage:

  union lista listb

Example:

  package require Tclx
  union {a b c d e} {d e d f g c} ;# ==> a b c d e f g

This functionality exists in tcllib in the struct::set package.