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Expose getting process dictionary value for specific key in Process.info/2 #13505

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Merged
merged 4 commits into from
Apr 22, 2024
Merged

Expose getting process dictionary value for specific key in Process.info/2 #13505

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8e53a61
Expose getting process dictionary value for specific key in Process.i…
michallepicki Apr 22, 2024
7c9e2dc
Revert the change to info/1 spec
michallepicki Apr 22, 2024
16ae690
Remove guard from Process.info/2
michallepicki Apr 22, 2024
0354937
Improve Process.info/2 spec by defining it for two non overlaping cla…
michallepicki Apr 22, 2024
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8 changes: 6 additions & 2 deletions lib/elixir/lib/process.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -839,13 +839,17 @@ defmodule Process do
nilify(:erlang.process_info(pid))
end

@type process_info_item :: atom | {:dictionary, term}
@type process_info_result_item :: {process_info_item, term}

@doc """
Returns information about the process identified by `pid`,
or returns `nil` if the process is not alive.

See `:erlang.process_info/2` for more information.
"""
@spec info(pid, atom | [atom]) :: {atom, term} | [{atom, term}] | nil
@spec info(pid, process_info_item) :: process_info_result_item | nil
@spec info(pid, [process_info_item]) :: [process_info_result_item] | nil
def info(pid, spec)

def info(pid, :registered_name) do
Expand All @@ -856,7 +860,7 @@ defmodule Process do
end
end

def info(pid, spec) when is_atom(spec) or is_list(spec) do
def info(pid, spec) do
nilify(:erlang.process_info(pid, spec))
end

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