prosody
78dbece77ce8
util/iterators.lua

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util/iterators.lua @ 5583:78dbece77ce8

util.iterators: Small fix for variable scoping issue
author Matthew Wild <mwild1@gmail.com>
date Fri, 17 May 2013 08:42:21 +0100
parent 5582:7bc2009fdd0c
child 5776:bd0ff8ae98a8
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equal deleted inserted replaced
5582:7bc2009fdd0c 5583:78dbece77ce8
73 --[[ Return the number of items an iterator returns ]]-- 73 --[[ Return the number of items an iterator returns ]]--
74 function it.count(f, s, var) 74 function it.count(f, s, var)
75 local x = 0; 75 local x = 0;
76 76
77 while true do 77 while true do
78 local var = f(s, var); 78 var = f(s, var);
79 if var == nil then break; end 79 if var == nil then break; end
80 x = x + 1; 80 x = x + 1;
81 end 81 end
82 82
83 return x; 83 return x;