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util.iterators: Variable renaming to avoid shadowing [luacheck]

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This commit is contained in:
Matthew Wild 2016-03-10 17:52:57 +00:00
parent 8967760df5
commit cae49b6891
1 changed files with 9 additions and 9 deletions
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18
util/iterators.lua
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@ -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);
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);