Defining New Types
The attribute @type can be used to define new types.
| @type type_name :: type_specification |
Elixir uses this to predefine some built-in types and aliases.
| @type term :: any |
| @type binary :: <<_::_*8>> |
| @type bitstring :: <<_::_*1>> |
| @type boolean :: false | true |
| @type byte :: 0..255 |
| @type char :: 0..0x10ffff |
| @type list :: [ any ] |
| @type list(t) :: [ t ] |
| @type number :: integer | float |
| @type module :: atom |
| @type mfa :: {module, atom, byte} |
| @type node :: atom |
| @type timeout :: :infinity | non_neg_integer |
| @type no_return :: none |
As the list entries show, you can parameterize the types in a new definition. Simply use one or more identifiers as parameters on the left side, and use these ...
Get Programming Elixir now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.