XEts.get_and_update
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get_and_update
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Link to this function
get_and_update(tab, key, fun)
Specs
Get and update an item in the table.
iex> tab = XEts.new(:foo)|> XEts.put(:k, 2)
iex> XEts.get_and_update(tab, :k, & { &1, &1 + 1 })
{2, tab}