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-rw-r--r--util/iterators.lua22
1 files changed, 11 insertions, 11 deletions
diff --git a/util/iterators.lua b/util/iterators.lua
index 868ba786..d453a694 100644
--- a/util/iterators.lua
+++ b/util/iterators.lua
@@ -29,10 +29,10 @@ function it.reverse(f, s, var)
-- Then return our reverse one
local i,max = 0, #results;
- return function (results)
+ return function (_results)
if i<max then
i = i + 1;
- return unpack(results[i]);
+ return unpack(_results[i]);
end
end, results;
end
@@ -48,8 +48,8 @@ end
-- Iterate only over values in a table
function it.values(t)
local key, val;
- return function (t)
- key, val = next(t, key);
+ return function (_t)
+ key, val = next(_t, key);
return val;
end, t;
end
@@ -87,18 +87,18 @@ end
-- Return the first n items an iterator returns
function it.head(n, f, s, var)
local c = 0;
- return function (s, var)
+ return function (_s, _var)
if c >= n then
return nil;
end
c = c + 1;
- return f(s, var);
- end, s;
+ return f(_s, _var);
+ end, s, var;
end
-- Skip the first n items an iterator returns
function it.skip(n, f, s, var)
- for i=1,n do
+ for _ = 1, n do
var = f(s, var);
end
return f, s, var;
@@ -132,9 +132,9 @@ function it.filter(filter, f, s, var)
local filter_value = filter;
function filter(x) return x ~= filter_value; end
end
- return function (s, var)
+ return function (_s, _var)
local ret;
- repeat ret = pack(f(s, var));
+ repeat ret = pack(f(_s, _var));
var = ret[1];
until var == nil or filter(unpack(ret, 1, ret.n));
return unpack(ret, 1, ret.n);
@@ -154,7 +154,7 @@ end
-- Convert the values returned by an iterator to an array
function it.to_array(f, s, var)
- local t, var = {};
+ local t = {};
while true do
var = f(s, var);
if var == nil then break; end