Trait Nullable

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

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 IpNetwork

Available on crate feature with-ipnetwork only.

fn null() -> Value

impl Nullable for Value

Available on crate feature with-json only.

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 BigDecimal

Available on crate feature with-bigdecimal only.

fn null() -> Value

impl Nullable for DateTime<FixedOffset>

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for DateTime<Local>

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for DateTime<Utc>

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for NaiveDate

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for NaiveDateTime

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for NaiveTime

Available on crate feature with-chrono only.

fn null() -> Value

impl Nullable for MacAddress

Available on crate feature with-mac_address only.

fn null() -> Value

impl Nullable for Vector

Available on crate feature postgres-vector only.

fn null() -> Value

impl Nullable for Decimal

Available on crate feature with-rust_decimal only.

fn null() -> Value

impl Nullable for Date

Available on crate feature with-time only.

fn null() -> Value

impl Nullable for OffsetDateTime

Available on crate feature with-time only.

fn null() -> Value

impl Nullable for PrimitiveDateTime

Available on crate feature with-time only.

fn null() -> Value

impl Nullable for Time

Available on crate feature with-time only.

fn null() -> Value

impl Nullable for Braced

Available on crate feature with-uuid only.

fn null() -> Value

impl Nullable for Hyphenated

Available on crate feature with-uuid only.

fn null() -> Value

impl Nullable for Simple

Available on crate feature with-uuid only.

fn null() -> Value

impl Nullable for Urn

Available on crate feature with-uuid only.

fn null() -> Value

impl Nullable for Uuid

Available on crate feature with-uuid only.

fn null() -> Value

impl<T> Nullable for Vec<T>

where T: Into<Value> + NotU8 + ValueType,

Available on crate feature postgres-array only.

fn null() -> Value

Implementors