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-- Programmed by Jedidiah Barber
-- Licensed under the Sunset License v1.0
-- See license.txt for further details
package body Kompsos.Prelude is
function Head
(This : in World;
Full_List, Head_Term : in Term'Class)
return World is
begin
return Result : World := This do
Result.Unify (T (Head_Term & T (Result.Fresh)), Full_List);
end return;
end Head;
procedure Head
(This : in out World;
Full_List, Head_Term : in Term'Class) is
begin
This := Head (This, Full_List, Head_Term);
end Head;
function Tail
(This : in World;
Full_List, Tail_Term : in Term'Class)
return World is
begin
return Result : World := This do
Result.Unify (T (T (Result.Fresh) & Tail_Term), Full_List);
end return;
end Tail;
procedure Tail
(This : in out World;
Full_List, Tail_Term : in Term'Class) is
begin
This := Tail (This, Full_List, Tail_Term);
end Tail;
function Cons
(This : in World;
Head_Term, Tail_Term, Full_List : in Term'Class)
return World is
begin
return Result : World := This do
Result.Unify (T (Head_Term & Tail_Term), Full_List);
end return;
end Cons;
procedure Cons
(This : in out World;
Head_Term, Tail_Term, Full_List : in Term'Class) is
begin
This := Cons (This, Head_Term, Tail_Term, Full_List);
end Cons;
function Nil
(This : in World;
Nil_Term : in Term'Class)
return World is
begin
return Result : World := This do
Result.Unify (Null_Term, Nil_Term);
end return;
end Nil;
procedure Nil
(This : in out World;
Nil_Term : in Term'Class) is
begin
This := Nil (This, Nil_Term);
end Nil;
function Pair
(This : in World;
Pair_Term : in Term'Class)
return World is
begin
return Result : World := This do
Result.Unify (T (T (Result.Fresh), T (Result.Fresh)), Pair_Term);
end return;
end Pair;
procedure Pair
(This : in out World;
Pair_Term : in Term'Class) is
begin
This := Pair (This, Pair_Term);
end Pair;
end Kompsos.Prelude;
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