A/V pair lists are the main object scheme functions operate upon. Scheme is extremely convenient for representation of such objects. A Radius A/V pair is represented by a Scheme pair, e.g.
Session-Timeout = 10
is represented in Guile as
(cons "Session-Timeout" 10)
The CAR of the pair can contain either the attribute dictionary name, or the attribute number. Thus, the above pair may also be written in Scheme as
(cons 27 10)
(Session-Timeout corresponds to attribute number 27).
Lists of A/V pairs are represented by Scheme lists. For example, the following Radius pair list
User-Name = "jsmith",
Password = "guessme",
NAS-IP-Address = 10.10.10.1,
NAS-Port-Id = 10
is written in Scheme as:
(list
(cons "User-Name" "jsmith")
(cons "Password" "guessme")
(cons "NAS-IP-Address" "10.10.10.1")
(cons "NAS-Port-Id" 10))
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