X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fiterators.lua;h=cc50482721b485b5ecce731c820813b0ad203284;hb=03d2a70ee19eecf0e11840d1115c55a0f5bc16a1;hp=318c1a96b8fad3b45f1d7111ef130d98ab34e8f0;hpb=2f3a9c1f031f043e3984488f0ec5affa53a2f2f3;p=prosody.git

diff --git a/util/iterators.lua b/util/iterators.lua
index 318c1a96..cc504827 100644
--- 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