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uuid: Discard gsub's 2nd return value

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rhy 2023-01-09 12:23:11 -03:00
parent 57bc1a2edb
commit 2642c304ad
1 changed files with 5 additions and 3 deletions
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8
uuid.lua
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@ -17,11 +17,13 @@ local uuid4_template = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx"
--generate a UUID version 4 (random)
function uuid.uuid4(rng)
return uuid4_template:gsub("[xy]", function (c)
-- x should be 0x0-0xF, the single y should be 0x8-0xB
-- 4 should always just be 4 (denoting uuid version)
-- x should be 0x0-0xF, the single y should be 0x8-0xB
-- 4 should always just be 4 (denoting uuid version)
local out, _ = uuid4_template:gsub("[xy]", function (c)
return string.format("%x", c == "x" and _random(rng, 0x0, 0xF) or _random(rng, 0x8, 0xB))
end)
return out
end
return uuid