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-rw-r--r--ThirdParty/luasocket/gem/ex10.lua17
1 files changed, 17 insertions, 0 deletions
diff --git a/ThirdParty/luasocket/gem/ex10.lua b/ThirdParty/luasocket/gem/ex10.lua
new file mode 100644
index 0000000..2b1b98f
--- /dev/null
+++ b/ThirdParty/luasocket/gem/ex10.lua
@@ -0,0 +1,17 @@
+function pump.step(src, snk)
+ local chunk, src_err = src()
+ local ret, snk_err = snk(chunk, src_err)
+ if chunk and ret then return 1
+ else return nil, src_err or snk_err end
+end
+
+function pump.all(src, snk, step)
+ step = step or pump.step
+ while true do
+ local ret, err = step(src, snk)
+ if not ret then
+ if err then return nil, err
+ else return 1 end
+ end
+ end
+end