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helpers.ex
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helpers.ex
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defmodule Cldr.Helpers do
@moduledoc """
General purpose helper functions for CLDR
"""
@doc """
Returns a boolean indicating if a data
structure is semanically empty.
Applies to lists, maps and `nil`
"""
def empty?([]), do: true
def empty?(%{} = map) when map == %{}, do: true
def empty?(nil), do: true
def empty?(_), do: false
cond do
function_exported?(:persistent_term, :get, 2) ->
@doc false
def get_term(key, default) do
:persistent_term.get(key, default)
end
@doc false
def put_term(key, value) do
:persistent_term.put(key, value)
end
function_exported?(:persistent_term, :get, 1) ->
@doc false
def get_term(key, default) do
:persistent_term.get(key)
rescue
ArgumentError ->
default
end
@doc false
def put_term(key, value) do
:persistent_term.put(key, value)
end
true ->
@doc false
def get_term(_key, default) do
default
end
@doc false
def put_term(_key, value) do
value
end
end
end