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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 |
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Length: 3072 (0xc00)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, generic, package List_Generic, seg_00eaf8
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦this⟧
generic
type Element is private;
-- must be a pure value
-- ie. no initialization or finalization is necessary
-- = and := are equality and copy
pragma Must_Be_Constrained (Yes => Element);
package List_Generic is
type List is private;
-- may generate garbage
-- = and := operate on references
-- "make" constructs lists with structural sharing
-- constraint error is raised when nil i provided to any of
-- first, rest, set_first, or set_rest
function Make (X : Element; L : List) return List;
function Nil return List;
function Is_Empty (L : List) return Boolean;
procedure Free (L : in out List);
-- make L empty
function First (L : List) return Element;
function Rest (L : List) return List;
procedure Set_Rest (L : List; To_Be : List);
procedure Set_First (L : List; To_Be : Element);
function Length (L : List) return Natural;
type Iterator is limited private;
procedure Init (Iter : out Iterator; L : List);
procedure Next (Iter : in out Iterator);
function Value (Iter : Iterator) return Element;
function Done (Iter : Iterator) return Boolean;
private
type Listdata;
type List is access Listdata;
-- variables of type list are initialized to null
type Listdata is
record
First : Element;
Rest : List;
end record;
type Iterator is new List;
end List_Generic;
nblk1=2
nid=0
hdr6=4
[0x00] rec0=21 rec1=00 rec2=01 rec3=054
[0x01] rec0=18 rec1=00 rec2=02 rec3=000
tail 0x2150ab1ac822542726760 0x42a00088462063203