alias settest {
set -u5 %testX A
ECHO -a set variable to value $var(testX,1).value $+ . unsets after $var(testX,1).secs secs.
.timer -m 1 2500 newset
}
alias -l newset {
set -k %testX B
ECHO -a set variable to value $var(testX,1).value $+ . unsets after $var(testX,1).secs secs.
}