Struct VARIANT

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#[repr(C)]
pub struct VARIANT { pub Anonymous: VARIANT_0, }
Expand description

Required features: "Win32_Foundation", "Win32_System_Com", "Win32_System_Ole"

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§Anonymous: VARIANT_0

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impl Clone for VARIANT

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fn clone(&self) -> VARIANT

Returns a duplicate 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 Default for VARIANT

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fn default() -> VARIANT

Returns the “default value” for a type. Read more
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impl VariantExt for VARIANT

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fn null() -> VARIANT

Generate a null VARIANT.
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impl VariantTypeExt<'_, ()> for VARIANT

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fn variant_from(_value: ()) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<()>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, String> for VARIANT

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fn variant_from(value: String) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<String>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, bool> for VARIANT

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fn variant_from(value: bool) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<bool>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, i16> for VARIANT

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fn variant_from(value: i16) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<i16>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, i32> for VARIANT

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fn variant_from(value: i32) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<i32>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, i64> for VARIANT

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fn variant_from(value: i64) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<i64>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, u16> for VARIANT

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fn variant_from(value: u16) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<u16>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, u32> for VARIANT

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fn variant_from(value: u32) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<u32>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, u64> for VARIANT

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fn variant_from(value: u64) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<u64>

Convert from a VARIANT into a type, T.
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impl VariantTypeExt<'_, u8> for VARIANT

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fn variant_from(value: u8) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&self) -> Result<u8>

Convert from a VARIANT into a type, T.
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impl<'a> VariantTypeExt<'a, &'a IDispatch> for VARIANT

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fn variant_from(value: &'a IDispatch) -> VARIANT

Convert from a type T into a VARIANT.
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fn variant_into(&'a self) -> Result<&'a IDispatch>

Convert from a VARIANT into a type, T.

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> 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> 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.
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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