linux_video_core

Struct Value

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pub struct Value<C: AsRef<QueryExtCtrl>> { /* private fields */ }
Expand description

Control value

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impl<C: AsRef<QueryExtCtrl>> Value<C>

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pub fn control(&self) -> &C

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pub fn try_ref<T: RefValue<ExtControl>>(&self) -> Option<&T>

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pub fn try_mut<T: MutValue<ExtControl>>(&mut self) -> Option<&mut T>

Trait Implementations§

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impl<C: AsRef<QueryExtCtrl>> Deref for Value<C>

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type Target = C

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<C: AsRef<QueryExtCtrl>> Drop for Value<C>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<C: AsRef<QueryExtCtrl>> From<C> for Value<C>

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fn from(ctrl: C) -> Self

Converts to this type from the input type.
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impl<C: AsRef<QueryExtCtrl>> GetValue for Value<C>

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fn get(&mut self, fd: RawFd) -> Result<()>

Get value from device

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impl<C: AsRef<QueryExtCtrl>> SetValue for Value<C>

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fn set(&self, fd: RawFd) -> Result<()>

Set value to device

Auto Trait Implementations§

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impl<C> Freeze for Value<C>
where C: Freeze,

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impl<C> RefUnwindSafe for Value<C>
where C: RefUnwindSafe,

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impl<C> !Send for Value<C>

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impl<C> !Sync for Value<C>

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impl<C> Unpin for Value<C>
where C: Unpin,

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impl<C> UnwindSafe for Value<C>
where C: UnwindSafe,

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> 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.