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function Utils.map(tbl, fn)
function Utils.map(tbl, fn)
local result = {}
local result = {}
for i, v in pairs(tbl) do
for _, v in pairs(tbl) do
result[i] = fn(v)
table.insert(result, fn(v))
end
end
return result
return result
end
end
function Utils.filter(tbl, pred)
function Utils.filter(tbl, pred)
local result = {}
local result = {}
for i, v in pairs(tbl) do
for _, v in pairs(tbl) do
if pred(v) then
if pred(v) then
result[i] = v
table.insert(result, v)
end
end
end
end