BiMap.fetch-exclamation-mark

You're seeing just the function fetch-exclamation-mark, go back to BiMap module for more information.

Specs

fetch!(t(), k()) :: v()

Fetches the value for specific key in bimap.

Raises ArgumentError if the key is absent.

Examples

iex> bimap = BiMap.new([a: 1])
iex> BiMap.fetch!(bimap, :a)
1