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handle encoding of number based key properties #43

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handle encoding of number based key properties #43

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9 changes: 6 additions & 3 deletions json.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -87,10 +87,13 @@ local function encode_table(val, stack)
else
-- Treat as an object
for k, v in pairs(val) do
if type(k) ~= "string" then
error("invalid table: mixed or invalid key types")
if type(k) == "string" then
table.insert(res, encode(k, stack) .. ":" .. encode(v, stack))
elseif type(k) == "number" then
table.insert(res, encode(string.format(k), stack) .. ":" .. encode(v, stack))
else
error("invalid table: mixed or invalid key types");
end
table.insert(res, encode(k, stack) .. ":" .. encode(v, stack))
end
stack[val] = nil
return "{" .. table.concat(res, ",") .. "}"
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