Trait evelyn::Discriminant [−][src]
A trait that describes a value that message variants can be compared by
Examples
use evelyn::Message use evelyn::Discriminant // For enums Discriminant trait is implemented for `std::mem::Discriminant` enum TestMessage { A, B, } impl Message for TestMessage { type Discriminant = std::mem::Discriminant<Self>; fn discriminant(&self) -> Self::Discriminant { std::mem::discriminant(self) } } // Example implementation for strings using first 5 characters as discriminant impl Message for String { type Discriminant = [char; 5]; fn discriminant(&self) -> Self::Discriminant { self.chars.take(5).collect() } }