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add implementation of array.reduce() from JS
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2 changed files with 14 additions and 0 deletions
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@ -18,6 +18,7 @@ wea_c.table = {
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get_last = dofile(wea_c.modpath.."/utils/table/table_get_last.lua"),
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makeset = dofile(wea_c.modpath.."/utils/table/makeset.lua"),
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map = dofile(wea_c.modpath.."/utils/table/table_map.lua"),
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reduce = dofile(wea_c.modpath.."/utils/table/table_reduce.lua"),
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shallowcopy = dofile(wea_c.modpath.."/utils/table/shallowcopy.lua"),
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tostring = dofile(wea_c.modpath.."/utils/table/table_tostring.lua"),
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unique = dofile(wea_c.modpath.."/utils/table/table_unique.lua"),
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13
worldeditadditions_core/utils/table/table_reduce.lua
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13
worldeditadditions_core/utils/table/table_reduce.lua
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@ -0,0 +1,13 @@
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--- Lua implementation of array.reduce() from Javascript.
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-- @param tbl The table to iterate over.
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-- @param func The function to call for every element in tbl. Will be passed the following arguments: accumulator, value, index, table. Of course, the provided function need not take this many arguments.
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-- @param initial_value The initial value of the accumulator.
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local function table_reduce(tbl, func, initial_value)
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local acc = initial_value
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for key, value in pairs(tbl) do
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acc = func(acc, value, key, tbl)
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end
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return acc
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end
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