Trait Nullable 

pub trait Nullable {
    // Required method
    fn null() -> Value;
}

Available on crate feature migration only.

Required Methods

fn null() -> Value

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl Nullable for &str

fn null() -> Value

impl Nullable for bool

fn null() -> Value

impl Nullable for char

fn null() -> Value

impl Nullable for f32

fn null() -> Value

impl Nullable for f64

fn null() -> Value

impl Nullable for i8

fn null() -> Value

impl Nullable for i16

fn null() -> Value

impl Nullable for i32

fn null() -> Value

impl Nullable for i64

fn null() -> Value

impl Nullable for u8

fn null() -> Value

impl Nullable for u16

fn null() -> Value

impl Nullable for u32

fn null() -> Value

impl Nullable for u64

fn null() -> Value

impl Nullable for String

fn null() -> Value

impl Nullable for Vec<u8>

fn null() -> Value

impl Nullable for DateTime<FixedOffset>

fn null() -> Value

impl Nullable for DateTime<Local>

fn null() -> Value

impl Nullable for DateTime<Utc>

fn null() -> Value

impl Nullable for Braced

fn null() -> Value

impl Nullable for Hyphenated

fn null() -> Value

impl Nullable for Simple

fn null() -> Value

impl Nullable for Urn

fn null() -> Value

Implementors

impl Nullable for Value

impl Nullable for BigDecimal

impl Nullable for NaiveDate

impl Nullable for NaiveDateTime

impl Nullable for Decimal

impl Nullable for NaiveTime

impl Nullable for Date

impl Nullable for PrimitiveDateTime

impl Nullable for OffsetDateTime

impl Nullable for Time

impl Nullable for Uuid