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end
 
end
 
return m[f](m, unpack(args))
 
return m[f](m, unpack(args))
 +
end
 +
 +
function Utils.find(tbl, v_, k_)
 +
for _, v in pairs(tbl) do
 +
if k_ and v[k_] == v_ or not k_ and v == v_ then
 +
return true
 +
end
 +
end
 +
return false
 +
end
 +
 +
function Utils.map(tbl, fn)
 +
local result = {}
 +
for i, v in pairs(tbl) do
 +
result[i] = fn(v)
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end
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return result
 +
end
 +
 +
function Utils.filter(tbl, pred)
 +
local result = {}
 +
for i, v in pairs(tbl) do
 +
if pred(v) then
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result[i] = v
 +
end
 +
end
 +
return result
 
end
 
end
    
return Utils
 
return Utils
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