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util.array: Accept an iterator to the array constructor

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Matthew Wild 2012-08-08 11:49:31 +01:00
parent 9735264a8d
commit 65fafa7b63
1 changed files with 4 additions and 1 deletions
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5
util/array.lua
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@ -19,7 +19,10 @@ local array_base = {};
local array_methods = {};
local array_mt = { __index = array_methods, __tostring = function (array) return array:concat(", "); end };
local function new_array(_, t)
local function new_array(self, t, _s, _var)
if type(t) == "function" then -- Assume iterator
t = self.collect(t, _s, _var);
end
return setmetatable(t or {}, array_mt);
end