diesel::sql_types

Trait OneIsNullable

pub trait OneIsNullable<Other> {
    type Out: OneIsNullable<IsNullable> + OneIsNullable<NotNull>;
}

Expand description

Is one value of IsNull nullable?

You should never implement this trait.

Required Associated Types§

type Out: OneIsNullable<IsNullable> + OneIsNullable<NotNull>

See the trait documentation

Implementors§

impl OneIsNullable<IsNullable> for IsNullable

type Out = IsNullable

impl OneIsNullable<IsNullable> for NotNull

type Out = IsNullable

impl OneIsNullable<NotNull> for IsNullable

type Out = IsNullable

impl OneIsNullable<NotNull> for NotNull

type Out = NotNull