conditions define: #Abort &parents: {Restart}.
"An Abort is a Restart which exits the computation, unwinding the stack."

_@lobby abort
[
  Abort signal
].
_@(Abort traits) describeOn: console
[
  console ; 'Abort evaluation of expression\n'
].

"This will call:"
c@(Condition traits) signal
"Signalling a Condition."
[
  c tryHandlers
].