21 lines
874 B
Lua
21 lines
874 B
Lua
--- Filters the items in the given table using the given function.
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-- The function is executed for each item in the list. If it returns true, the
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-- item is kept. If it returns false, the item is discarded.
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-- Arguments passed to the function: item, i
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-- ...where item is the item to filter, and i is the index in the table the item
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-- is located at.
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-- @param tbl table The table of values to filter.
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-- @param func function<any, number>:bool The filter function to execute - should return a boolean value indicating whether the item provided as the first argument should be kept
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-- @returns table A new table containing the values that the given function returned true for.
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local function table_filter(tbl, func)
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local result = {}
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for i,value in ipairs(tbl) do
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if func(value, i) then
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table.insert(result, value)
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end
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end
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return result
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end
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return table_filter
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