Access.get

You're seeing just the function get, go back to Access module for more information.
Link to this function

get(container, key, default \\ nil)

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Specs

get(container(), term(), term()) :: term()
get(nil_container(), any(), default) :: default when default: var

Gets the value for the given key in a container (a map, keyword list, or struct that implements the Access behaviour).

Returns the value under key if there is such a key, or default if key is not found.

Examples

iex> Access.get(%{name: "john"}, :name, "default name")
"john"
iex> Access.get(%{name: "john"}, :age, 25)
25

iex> Access.get([ordered: true], :timeout)
nil