- (define-optionals (identifier . opt-formals) body)syntax
Syntax: Opt-formals is as in a opt-lambda expression.
Semantics: Operationally equivalent to (define identifier (opt-lambda opt-formals body))
Syntax: Opt-formals is as in a opt-lambda expression.
Semantics: Operationally equivalent to (define identifier (opt-lambda opt-formals body))