PassiveSupport.List.compact_map

You're seeing just the function compact_map, go back to PassiveSupport.List module for more information.

compact_map(list, fun, options \\ [])

Specs

compact_map(list(), (... -> any()), [{:also_filter_result, boolean()}]) ::
  list()

Performs the provided function on every non-nil value while removing nil values. If also_filter_result is passed, then any nil values that would be returned from the function are not injected into the list.

Examples

iex> compact_map([1,2,nil,4], &(&1 * 2))
[2,4,8]

iex> compact_map([nil, "   ", {}, 0], &PassiveSupport.Item.presence/1, also_filter_result: true)
[0]

iex> compact_map([nil, false, 0], &(&1), also_filter_result: true)
[false, 0]