View Source WithClauseError exception (Elixir v1.17.2)
An exception raised when a term in a with/1
expression
does not match any of the defined ->
clauses in its else
.
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 with/1
like the following, because
the {:ok, 2}
term does not match the :error
or {:error, _}
clauses in the
else
:
with {:ok, 1} <- {:ok, 2} do
:woah
else
:error -> :error
{:error, _} -> :error
end