Enum NullType

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pub enum NullType {
Show 24 variants String, Choice, I64, I32, I16, Bool, F64, F32, Binary, ChronoNaiveTime, ChronoNaiveDate, ChronoNaiveDateTime, ChronoDateTime, TimeDate, TimeTime, TimeOffsetDateTime, TimePrimitiveDateTime, Uuid, UuidHyphenated, UuidSimple, JsonValue, MacAddress, IpNetwork, BitVec,
}
Expand description

This enum represents a Null’s type

Variants§

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String

String representation

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Choice

Choice representation

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I64

i64 representation

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I32

i32 representation

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I16

i16 representation

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Bool

Bool representation

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F64

f64 representation

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F32

f32 representation

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Binary

binary representation

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ChronoNaiveTime

Naive Time representation

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ChronoNaiveDate

Naive Date representation

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ChronoNaiveDateTime

Naive DateTime representation

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ChronoDateTime

Chrono timezone aware date time representation

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TimeDate

time’s date representation

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TimeTime

time’s time representation

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TimeOffsetDateTime

time’s offset datetime representation

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TimePrimitiveDateTime

time’s primitive datetime representation

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Uuid

Uuid representation

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UuidHyphenated

Uuid in hyphenated representation

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UuidSimple

Uuid in simple text representation

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JsonValue

serde_json’s Value representation

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MacAddress

Available on crate feature postgres-only only.

Mac address representation

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IpNetwork

Available on crate feature postgres-only only.

IP network presentation

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BitVec

Available on crate feature postgres-only only.

Bit vec representation

Trait Implementations§

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impl Clone for NullType

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fn clone(&self) -> NullType

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NullType

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for NullType

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fn eq(&self, other: &NullType) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for NullType

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impl Eq for NullType

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impl StructuralPartialEq for NullType

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.