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function infer=Infer(varargin)
// Copyright INRIA
// Create a new inference tlist
fields=["infer","dims","type","contents"]
rhs=argn(2)
nargs=size(varargin)
// Infer(): all unknown
if nargs==0 then
infer=tlist(fields,list(Unknown,Unknown),Type(Unknown,Unknown),Contents())
elseif nargs==2 then
if typeof(varargin(1))<>"list" then
error("Infer(): dims must be a list instead of a :"+typeof(varargin(1)))
end
if typeof(varargin(2))<>"type" then
error("Infer(): type must be a ''type'' tlist instead of a :"+typeof(varargin(2)))
end
infer=tlist(fields,varargin(1),varargin(2),Contents())
elseif nargs==3 then // Should only be used for cells and structs
if typeof(varargin(1))<>"list" then
error("Infer(): dims must be a list instead of a :"+typeof(varargin(1)))
end
if typeof(varargin(2))<>"type" then
error("Infer(): type must be a ''type'' tlist instead of a :"+typeof(varargin(2)))
end
if typeof(varargin(3))<>"contents" then
error("Infer(): contents must be a ''contents'' tlist instead of a :"+typeof(varargin(3)))
end
infer=tlist(fields,varargin(1),varargin(2),varargin(3))
end
endfunction
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