Trait diesel::query_source::Plus [−][src]
pub trait Plus<T> { type Output; }
Add two peano numbers together.
This is used to determine the number of times a table appears in a from clause when the from clause contains a join.
Associated Types
type Output
The result of adding these numbers together
Implementors
impl<T> Plus<T> for Never type Output = T;
impl<T> Plus<T> for MoreThanOnce type Output = Self;
impl Plus<Never> for Once type Output = Self;
impl Plus<Once> for Once type Output = MoreThanOnce;
impl Plus<MoreThanOnce> for Once type Output = MoreThanOnce;