View Source CaseClauseError exception (Elixir v1.17.3)

An exception raised when a term in a case/2 expression does not match any of the defined -> clauses.

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

  • :term (term/0) - the term that did not match any of the clauses

For example, this exception gets raised for a case/2 like the following:

case System.unique_integer() do
  bin when is_binary(bin) -> :oops
  :ok -> :neither_this_one
end