BiMultiMap.fetch_keys

You're seeing just the function fetch_keys, go back to BiMultiMap module for more information.

fetch_keys(bimultimap, value)

Specs

fetch_keys(t(), v()) :: {:ok, [k()]} | :error

Fetches all keys for specific value in bimultimap

This function is exact mirror of fetch/2.

Examples

iex> BiMultiMap.fetch_keys(BiMultiMap.new, 1)
:error
iex> bimultimap = BiMultiMap.new([a: 1, c: 3, d: 3])
iex> BiMultiMap.fetch_keys(bimultimap, 1)
{:ok, [:a]}
iex> BiMultiMap.fetch_keys(bimultimap, 2)
:error
iex> BiMultiMap.fetch_keys(bimultimap, 3)
{:ok, [:c, :d]}