A transformer that also supports an else function that can be used when the transformer would otherwise skip a value (e.g. if isDefined is being used).
else
isDefined
Transformer that either invokes the given value (if its a function) or simply returns it.
function or plain value in the
A transformer that also supports an
else
function that can be used when the transformer would otherwise skip a value (e.g. ifisDefined
is being used).