nil
← Reference
Io
nil is a singleton object that is used as a placeholder and to mean false in Io.
and(expression)
Returns nil without evaluating expression.
asJson
Returns "null".
catch
Does nothing, returns nil. See
Exception catch
.
clone
returns self since nil is a singleton.
else(expression)
Returns nil without evaluating expression.
ifNil(expression)
Evaluates message.
isNil
Returns Lobby.
justSerialized(stream)
Writes the receiver's code into the stream.
or(anObject)
Returns anObject if anObject is not nil. Otherwise returns nil.
pass
Does nothing, returns nil. See
Exception pass
.
print
Prints 'nil'. Returns self.
then(expression)
Returns nil without evaluating expression.