@code{arity:start} and @code{arity:end} values.
@end deffn
+@deffn {Scheme Procedure} program-arguments-alist program [ip]
+@deffnx {Scheme Procedure} program-lambda-list [ip]
+Accessors for a representation of the arguments of a program, with both
+names and types (ie. either required, optional or keywords)
+
+@code{program-arguments-alist} returns this information in the form of
+an association list while @code{program-lambda-list} returns the same
+information in a form similar to a lambda definition.
+@end deffn
@node Optional Arguments
@subsection Optional Arguments
;; the name "program-arguments" is taken by features.c...
(define* (program-arguments-alist prog #:optional ip)
+ "Returns the signature of the given procedure in the form of an association list."
(let ((arity (program-arity prog ip)))
(and arity
(arity->arguments-alist prog arity))))
(define* (program-lambda-list prog #:optional ip)
+ "Returns the signature of the given procedure in the form of an argument list."
(and=> (program-arguments-alist prog ip) arguments-alist->lambda-list))
(define (arguments-alist->lambda-list arguments-alist)