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util.iterators: join: Work even with only a single iterator in the chain

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Matthew Wild 2022-10-06 18:34:40 +01:00
parent 12fc0febf1
commit 08b49654d9
2 changed files with 10 additions and 1 deletions
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3
util/iterators.lua
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@ -240,7 +240,8 @@ function join_methods:prepend(f, s, var)
end
function it.join(f, s, var)
return setmetatable({ {f, s, var} }, join_mt);
local t = setmetatable({ {f, s, var} }, join_mt);
return t, { t, 1 };
end
return it;