File: lempty.tcl

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libapache2-mod-rivet 2.3.3-1
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###
## lempty <list>
##
##    Returns 1 if <list> is empty or 0 if it has any elements.  This command
##    emulates the TclX lempty command.
##
## $Id: lempty.tcl 1300262 2012-03-13 18:05:13Z mxmanghi $
##
###

namespace eval ::rivet {

    proc lempty {list} {
        if {[catch {llength $list} len]} { return 0 }
        return [expr {$len == 0}]
    }

}