View Source FunctionClauseError exception (Elixir v1.18.0-dev)
An exception raised when a function call doesn't match any defined clause.
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 a function such as URI.parse/1
with something
other than a string, the error would look like:
%FunctionClauseError{
module: URI,
function: :parse,
arity: 1,
# Other private fields...
}