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author | chai <chaifix@163.com> | 2021-10-20 13:40:34 +0800 |
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committer | chai <chaifix@163.com> | 2021-10-20 13:40:34 +0800 |
commit | ff0f488c97fe8b554b909a0057cebc4c860eac8f (patch) | |
tree | 4e47262b52ffce7e9cfeaaeeab46371243bcaa78 /ThirdParty/luasocket/gem/ex3.lua | |
parent | dde719dd575090b36aaa3ad85bb3cabf33f36c5a (diff) |
+luasocket src
Diffstat (limited to 'ThirdParty/luasocket/gem/ex3.lua')
-rw-r--r-- | ThirdParty/luasocket/gem/ex3.lua | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/ThirdParty/luasocket/gem/ex3.lua b/ThirdParty/luasocket/gem/ex3.lua new file mode 100644 index 0000000..a43fefa --- /dev/null +++ b/ThirdParty/luasocket/gem/ex3.lua @@ -0,0 +1,15 @@ +local function chainpair(f1, f2) + return function(chunk) + local ret = f2(f1(chunk)) + if chunk then return ret + else return (ret or "") .. (f2() or "") end + end +end + +function filter.chain(...) + local f = select(1, ...) + for i = 2, select('#', ...) do + f = chainpair(f, select(i, ...)) + end + return f +end |