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function Data (Buffer : Atom_Buffer) return Atom is
begin
if Buffer.Ref.Is_Empty then
pragma Assert (Buffer.Available = 0 and Buffer.Used = 0);
return Null_Atom;
else
return Buffer.Ref.Query.Data.all;
return Buffer.Ref.Query.Data.all (1 .. Buffer.Used);
end if;
end Data;
function Raw_Query (Buffer : Atom_Buffer) return Atom_Refs.Accessor is
function Create return Atom;
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procedure Query
(Buffer : in Atom_Buffer;
Process : not null access procedure (Data : in Atom)) is
begin
if Buffer.Ref.Is_Empty then
Process.all (Null_Atom);
else
Buffer.Ref.Query (Process);
Process.all (Buffer.Ref.Query.Data.all (1 .. Buffer.Used));
end if;
end Query;
procedure Read
(Buffer : in Atom_Buffer;
Data : out Atom;
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