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SqliteValueRef

Struct SqliteValueRef 

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pub struct SqliteValueRef<'a>(pub ValueRef<'a>);

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§0: ValueRef<'a>

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impl<'a> SqliteValueRef<'a>

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pub fn is_null(&self) -> bool

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pub fn as_integer(&self) -> Option<i64>

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pub fn as_real(&self) -> Option<f64>

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pub fn as_text(&self) -> Option<&str>

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pub fn as_blob(&self) -> Option<&[u8]>

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pub fn to_owned(&self) -> SqliteValue

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impl<'a> Clone for SqliteValueRef<'a>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Copy for SqliteValueRef<'a>

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impl<'a> Debug for SqliteValueRef<'a>

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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<'a> From<ValueRef<'a>> for SqliteValueRef<'a>

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fn from(value: ValueRef<'a>) -> Self

Converts to this type from the input type.
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impl<'a> Hash for SqliteValueRef<'a>

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> PartialEq for SqliteValueRef<'a>

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<'a> StructuralPartialEq for SqliteValueRef<'a>

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impl<'a> ToSql for SqliteValueRef<'a>

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fn to_sql(&self) -> Result<ToSqlOutput<'a>>

Converts Rust value to SQLite value
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impl<'a, C> Writable<C> for SqliteValueRef<'a>
where C: Context,

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fn write_to<T: ?Sized + Writer<C>>( &self, writer: &mut T, ) -> Result<(), C::Error>

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fn bytes_needed(&self) -> Result<usize, C::Error>

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fn write_to_buffer( &self, buffer: &mut [u8], ) -> Result<(), <C as Context>::Error>
where Self: DefaultContext<Context = C>, C: Default,

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fn write_to_vec(&self) -> Result<Vec<u8>, <C as Context>::Error>
where Self: DefaultContext<Context = C>, C: Default,

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fn write_to_stream<S>(&self, stream: S) -> Result<(), <C as Context>::Error>
where S: Write, Self: DefaultContext<Context = C>, C: Default,

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fn write_to_file( &self, path: impl AsRef<Path>, ) -> Result<(), <C as Context>::Error>
where Self: DefaultContext<Context = C>, C: Default,

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fn write_to_buffer_with_ctx( &self, context: C, buffer: &mut [u8], ) -> Result<(), <C as Context>::Error>

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fn write_to_buffer_with_ctx_mut( &self, context: &mut C, buffer: &mut [u8], ) -> Result<(), <C as Context>::Error>

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fn write_to_vec_with_ctx( &self, context: C, ) -> Result<Vec<u8>, <C as Context>::Error>

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fn write_to_vec_with_ctx_mut( &self, context: &mut C, ) -> Result<Vec<u8>, <C as Context>::Error>

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fn write_to_stream_with_ctx<S>( &self, context: C, stream: S, ) -> Result<(), <C as Context>::Error>
where S: Write,

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fn write_to_file_with_ctx( &self, context: C, path: impl AsRef<Path>, ) -> Result<(), <C as Context>::Error>

Auto Trait Implementations§

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impl<'a> Freeze for SqliteValueRef<'a>

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impl<'a> RefUnwindSafe for SqliteValueRef<'a>

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impl<'a> Send for SqliteValueRef<'a>

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impl<'a> Sync for SqliteValueRef<'a>

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impl<'a> Unpin for SqliteValueRef<'a>

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impl<'a> UnsafeUnpin for SqliteValueRef<'a>

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impl<'a> UnwindSafe for SqliteValueRef<'a>

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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self> ⓘ

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> SqlFnOutput for T
where T: ToSql,

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fn to_sql(&self) -> Result<(ToSqlOutput<'_>, Option<u32>), Error>

Converts Rust value to SQLite value with an optional subtype
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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 = !

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

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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more