function make()  print("-- frames.lua"); dofile("frames.lua") end
function table.all2(t)  
   for i=1,#t do 
      for j,v in ipairs(t[i]) do print(j .. v) end 
   end
end

Frames={}
function Frames.onEntry () return print(1) end
function Frames.onExit  () return t end
function Frames.at      () return t end

Slots={}
Slot={}
function Slot.ifneeded
function Slot.ifadded

   Facets={}
   Facet={}

   function zero(num)
      if num == nil then return 0 else return num end
   end
   OneOf={}
   function OneOf:new(span,weights)
      local self
      range=span
      bias=weights
      local function self.within(x) if x[end
      
   function OneOf:within(x) 
      return member(x 
   Range={}
Range.
Frame={}
function Frame:new(f)
   local f = f or {}
   setmetatable(f,self)
   self.__index = Frames
   Frames[ #Frames + 1] = f
   return f
end

do
   f= Frame.new{name="tim"}
   f.onEntry()
end