KeyError — Elixir v1.16.3

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# View Source KeyError exception (Elixir v1.16.3)

An exception raised when a key is not found in a data structure.

For example, this is raised by `Map.fetch!/2` when the given key cannot be found in the given map.

The following fields of this exception are public and can be accessed freely:

- `:term` (`term/0`) - the data structure that was searched
- `:key` (`term/0`) - the key that was not found