Macro AIF Just like IF-BIND but the var is always IT.
Macro WHEN-BIND Just like when except VAR will be bound to the
result of TEST in BODY.
Macro AWHEN Just like when expect the symbol IT will be
bound to the result of TEST in BODY.
Macro COND-BIND Just like COND but VAR will be bound to the result of the
condition in the clause when executing the body of the clause.
Macro ACOND Just like cond-bind except the var is automatically IT.
Macro WHICHEVER Evaluates one (and only one) of its args, which one is chosen at random
Macro SWITCH Evaluate the first clause whose car satisfies (funcall test
Macro ESWITCH Like switch but signals an error if no clause succeds.
Macro CSWITCH Like SWITCH but signals a continuable error if no clause