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local M = {}
---@param protected (fun(): table) | table
function M.protect(protected)
---@type table
local tbl
if type(protected) == "table" then
tbl = protected
elseif type(protected) == "function" then
tbl = protected()
else
error("expected a table or a function that returns a table, got " .. type(protected), 2)
end
return setmetatable({}, {
__index = tbl,
__newindex = function(_, k, v)
error("attempted to change constant " .. tostring(k) .. " to " .. tostring(v), 2)
end,
})
end
return M
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