pub struct TypeId { /* fields omitted */ }
A TypeId
represents a globally unique identifier for a type.
Each TypeId
is an opaque object which does not allow inspection of what's inside but does allow basic operations such as cloning, comparison, printing, and showing.
A TypeId
is currently only available for types which ascribe to 'static
, but this limitation may be removed in the future.
While TypeId
implements Hash
, PartialOrd
, and Ord
, it is worth noting that the hashes and ordering will vary between Rust releases. Beware of relying on them inside of your code!
impl TypeId
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pub fn of<T>() -> TypeId where
T: 'static + ?Sized,
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Returns the TypeId
of the type this generic function has been instantiated with.
impl Copy for TypeId
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impl Hash for TypeId
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fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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Feeds a slice of this type into the given [Hasher
]. Read more
impl Clone for TypeId
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fn clone(&self) -> TypeId
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Eq for TypeId
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impl PartialOrd<TypeId> for TypeId
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fn partial_cmp(&self, other: &TypeId) -> Option<Ordering>
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fn lt(&self, other: &TypeId) -> bool
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fn le(&self, other: &TypeId) -> bool
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fn gt(&self, other: &TypeId) -> bool
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fn ge(&self, other: &TypeId) -> bool
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impl Ord for TypeId
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fn cmp(&self, other: &TypeId) -> Ordering
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fn max(self, other: Self) -> Self
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Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
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Compares and returns the minimum of two values. Read more
fn clamp(self, min: Self, max: Self) -> Self
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Restrict a value to a certain interval. Read more
impl Debug for TypeId
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impl PartialEq<TypeId> for TypeId
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impl UnwindSafe for TypeId
impl RefUnwindSafe for TypeId
impl Unpin for TypeId
impl Send for TypeId
impl Sync for TypeId
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.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> Into<U> for T where
U: From<T>,
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impl<T> From<T> for T
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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.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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fn borrow(&self) -> &T
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impl<'_, F> Future for &'_ mut F where F: Unpin + Future + ?Sized, type Output = <F as Future>::Output; impl<'_, I> Iterator for &'_ mut I where I: Iterator + ?Sized, type Item = <I as Iterator>::Item; impl<'_, R: Read + ?Sized> Read for &'_ mut R impl<'_, W: Write + ?Sized> Write for &'_ mut W
impl<T> BorrowMut<T> for T where
T: ?Sized,
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fn borrow_mut(&mut self) -> &mut T
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impl<'_, F> Future for &'_ mut F where F: Unpin + Future + ?Sized, type Output = <F as Future>::Output; impl<'_, I> Iterator for &'_ mut I where I: Iterator + ?Sized, type Item = <I as Iterator>::Item; impl<'_, R: Read + ?Sized> Read for &'_ mut R impl<'_, W: Write + ?Sized> Write for &'_ mut W
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> ToOwned for T where
T: Clone,
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© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/any/struct.TypeId.html