Macro ident::impl_identity [−][src]
macro_rules! impl_identity { ($type:ty) => { ... }; ($type:tt $($t:tt)*) => { ... }; }
In some cases, such as integer
types, a value is its own unique identifier
.
This macro implements DeriveIdent
for the passed type to
simply return itself. (NOTE: the type must derive Clone
)