View Source UndefinedFunctionError exception (Elixir v1.17.1)
An exception raised when a function is invoked that is not defined.
The following fields of this exception are public and can be accessed freely:
:module
(module/0
) - the module name:function
(atom/0
) - the function name:arity
(non_neg_integer/0
) - the arity of the function
For example, if you try to call MyMod.non_existing_fun("hello", 1)
,
the error would look like:
%UndefinedFunctionError{
module: MyMod,
function: :non_existing_fun,
arity: 2,
# Other private fields...
}