[−][src]Crate ordinalizer
A simple derive macro to generate an ordinal()
method for enums.
Unlike num_derive::ToPrimitive
, this derive macro
allows non-C-like enums. The ordinal
function reflects
the variant of the enum and does not account
for fields.
Example
use ordinalizer::Ordinal; #[derive(Ordinal)] enum Animal { Dog, Cat { age: i32, } } assert_eq!(Animal::Dog.ordinal(), 0); assert_eq!((Animal::Cat { age: 10 }).ordinal(), 1);
Derive Macros
Ordinal | Generates a |