Trait IntoNullable

pub trait IntoNullable {
    type Nullable;
}

Converts a type which may or may not be nullable into its nullable representation.

Required Associated Types

type Nullable

The nullable representation of this type.

For all types except Nullable, this will be Nullable<Self>.

Implementations on Foreign Types

impl<T0: SqlType> IntoNullable for (T0,)

where Self: SqlType,

type Nullable = Nullable<(T0,)>

impl<T0: SqlType, T1: SqlType> IntoNullable for (T0, T1)

where Self: SqlType,

type Nullable = Nullable<(T0, T1)>

impl<T0: SqlType, T1: SqlType, T2: SqlType> IntoNullable for (T0, T1, T2)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType> IntoNullable for (T0, T1, T2, T3)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType> IntoNullable for (T0, T1, T2, T3, T4)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType, T11: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType, T11: SqlType, T12: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType, T11: SqlType, T12: SqlType, T13: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType, T11: SqlType, T12: SqlType, T13: SqlType, T14: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)>

impl<T0: SqlType, T1: SqlType, T2: SqlType, T3: SqlType, T4: SqlType, T5: SqlType, T6: SqlType, T7: SqlType, T8: SqlType, T9: SqlType, T10: SqlType, T11: SqlType, T12: SqlType, T13: SqlType, T14: SqlType, T15: SqlType> IntoNullable for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)

where Self: SqlType,

type Nullable = Nullable<(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)>

Implementors

impl<T> IntoNullable for Nullable<T>

where T: SqlType,

type Nullable = Nullable<T>

impl<T> IntoNullable for T

where T: SqlType<IsNull = NotNull> + SingleValue,

type Nullable = Nullable<T>