Struct coap_message::helpers::RefWithStaticType

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pub struct RefWithStaticType<'a, T: ?Sized>(/* private fields */);
Expand description

Reference that is annotated with a type ID corresponding to a ’static version of the type

How the ID corresponds to T is up to the type T. Any type may use it internally without documented stability guarantees (being itself responsible for upholding whatever it relies on). Code outside of the crate defining T should not construct it or rely on its properties; if really needed, that crates should provide own wrapper methods that define their precise unsafety criteria.

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impl<'a, T: ?Sized> RefWithStaticType<'a, T>

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pub unsafe fn new(reference: &'a T, id: TypeId) -> Self

State that the given id is a type ID corresponding to T

§Safety

When it is safe to construct this depends on the semantics T ascribes to it.

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pub fn into_inner(&self) -> (&'a T, TypeId)

Split into the contained data

Auto Trait Implementations§

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impl<'a, T> Freeze for RefWithStaticType<'a, T>
where T: ?Sized,

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impl<'a, T> RefUnwindSafe for RefWithStaticType<'a, T>
where T: RefUnwindSafe + ?Sized,

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impl<'a, T> Send for RefWithStaticType<'a, T>
where T: Sync + ?Sized,

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impl<'a, T> Sync for RefWithStaticType<'a, T>
where T: Sync + ?Sized,

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impl<'a, T> Unpin for RefWithStaticType<'a, T>
where T: ?Sized,

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impl<'a, T> UnwindSafe for RefWithStaticType<'a, T>
where T: RefUnwindSafe + ?Sized,

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<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.