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local import_to_1_from
import_to_1_from = function(host, to_import)
do
local host_mt = getmetatable(host)
if host_mt then
if host_mt.__import then
host_mt.__import(host, to_import)
return
end
end
end
for k, v in pairs(to_import) do
host[k] = v
end
end
local _imports = setmetatable({ }, {
__mode = "k"
})
local Importer = setmetatable({
__index = function(self, key)
return _imports[self][key]
end,
__import = function(self, to_import)
local imports = assert(_imports[self])
for k, v in pairs(to_import) do
local _continue_0 = false
repeat
imports[k] = v
if v == to_import then
_continue_0 = true
break
end
local conflict = self[k]
if type(conflict) == 'table' then
import_to_1_from(conflict, v)
end
_continue_0 = true
until true
if not _continue_0 then
break
end
end
end
}, {
__call = function(self, t)
_imports[t] = { }
setmetatable(t, self)
return t
end
})
local _1_forked
_1_forked = function(self)
local f = Importer({ })
_imports[f] = assert(_imports[self])
import_to_1_from(f, self)
return f
end
return {
Importer = Importer,
import_to_1_from = import_to_1_from,
_1_forked = _1_forked
}
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