Enum wayland_client::backend::protocol::Argument

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pub enum Argument<Id, Fd> {
    Int(i32),
    Uint(u32),
    Fixed(i32),
    Str(Option<Box<CString>>),
    Object(Id),
    NewId(Id),
    Array(Box<Vec<u8>>),
    Fd(Fd),
}
Expand description

Enum of possible argument of the protocol

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Int(i32)

An integer argument. Represented by a i32.

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Uint(u32)

An unsigned integer argument. Represented by a u32.

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Fixed(i32)

A signed fixed point number with 1/256 precision

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Str(Option<Box<CString>>)

CString

The value is boxed to reduce the stack size of Argument. The performance impact is negligible as string arguments are pretty rare in the protocol.

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Object(Id)

Id of a wayland object

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NewId(Id)

Id of a newly created wayland object

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Array(Box<Vec<u8>>)

Vec<u8>

The value is boxed to reduce the stack size of Argument. The performance impact is negligible as array arguments are pretty rare in the protocol.

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Fd(Fd)

A file descriptor argument. Represented by a RawFd.

Implementations§

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impl<Id, Fd> Argument<Id, Fd>

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pub fn get_type(&self) -> ArgumentType

Retrieve the type of a given argument instance

Trait Implementations§

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impl<Id, Fd> Clone for Argument<Id, Fd>
where Id: Clone, Fd: Clone,

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fn clone(&self) -> Argument<Id, Fd>

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<Id, Fd> Debug for Argument<Id, Fd>
where Id: Debug, Fd: Debug,

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

Formats the value using the given formatter. Read more
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impl<Id, Fd> Display for Argument<Id, Fd>
where Id: Display, Fd: AsRawFd,

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

Formats the value using the given formatter. Read more
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impl<Id, Fd> PartialEq for Argument<Id, Fd>
where Id: PartialEq, Fd: AsRawFd,

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fn eq(&self, other: &Argument<Id, Fd>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Id, Fd> Eq for Argument<Id, Fd>
where Id: Eq, Fd: AsRawFd,

Auto Trait Implementations§

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impl<Id, Fd> Freeze for Argument<Id, Fd>
where Id: Freeze, Fd: Freeze,

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impl<Id, Fd> RefUnwindSafe for Argument<Id, Fd>

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impl<Id, Fd> Send for Argument<Id, Fd>
where Id: Send, Fd: Send,

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impl<Id, Fd> Sync for Argument<Id, Fd>
where Id: Sync, Fd: Sync,

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impl<Id, Fd> Unpin for Argument<Id, Fd>
where Id: Unpin, Fd: Unpin,

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impl<Id, Fd> UnwindSafe for Argument<Id, Fd>
where Id: UnwindSafe, Fd: 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> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. 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.