mirror of
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15 lines
231 B
Lua
15 lines
231 B
Lua
function source.chain(src, f)
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return function()
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if not src then
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return nil
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end
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local chunk, err = src()
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if not chunk then
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src = nil
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return f(nil)
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else
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return f(chunk)
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end
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end
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end
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