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defmodule Mem do |
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def setup do |
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ensure(depth()) |
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end |
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def create(name) do |
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name |> table() |> init() |
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end |
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defp init(table) do |
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table |> :ets.whereis() |> fresh(table) |
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end |
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defp fresh(:undefined, table) do |
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:ets.new(table, [:set, :public, :named_table]) |
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end |
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defp fresh(_exists, table) do |
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:ets.delete_all_objects(table) |
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end |
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defp ensure(table) do |
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table |> :ets.whereis() |> found(table) |
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end |
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defp found(:undefined, table) do |
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:ets.new(table, [:set, :public, :named_table]) |
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end |
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defp found(_exists, _table) do |
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:ok |
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end |
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def table(name) do |
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:"mem_#{name}" |
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end |
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def depth do |
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:mem_depth_global |
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end |
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end |