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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) |
(because Session-Timeout corresponds to attribute number 27).
Lists of A/V pairs are represented by Scheme lists. For example, the Radius pair list
User-Name = "jsmith",
User-Password = "guessme",
NAS-IP-Address = 10.10.10.1,
NAS-Port-Id = 10
|
is written in Scheme as
(list
(cons "User-Name" "jsmith")
(cons "User-Password" "guessme")
(cons "NAS-IP-Address" "10.10.10.1")
(cons "NAS-Port-Id" 10))
|