util.sasl: Removed method:forbidden() and its side effects.

[prosody.git] / util / iterators.lua

diff --git a/util/iterators.lua b/util/iterators.lua
index 318c1a96b8fad3b45f1d7111ef130d98ab34e8f0..cc50482721b485b5ecce731c820813b0ad203284 100644 (file)
--- a/util/iterators.lua
+++ b/util/iterators.lua
@@ -90,6 +90,15 @@ function head(n, f, s, var)
        end, s;
 end
 
+-- Skip the first n items an iterator returns
+function skip(n, f, s, var)
+       for i=1,n do
+               var = f(s, var);
+       end
+       return f, s, var;
+end
+
+-- Return the last n items an iterator returns
 function tail(n, f, s, var)
        local results, count = {}, 0;
        while true do