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AuthoredItem

Struct AuthoredItem 

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pub struct AuthoredItem<'tokens> { /* private fields */ }
Expand description

A checked structural lens into one supported complete caller-authored Rust item.

Every fragment borrows the same captured material as AuthoredItem::preserved. The lens identifies only an item’s outer attributes, visibility, qualifiers, family, optional name, generic-parameter run, where-clause run, signature run, and optional body group.

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impl<'tokens> AuthoredItem<'tokens>

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pub const fn preserved(self) -> CapturedFragment<'tokens>

The complete authored token reading this lens stands over.

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pub const fn attributes(self) -> CapturedFragment<'tokens>

The leading outer attributes, in authored order.

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pub const fn visibility(self) -> CapturedFragment<'tokens>

The explicit visibility tokens, or an empty fragment for inherited visibility.

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pub const fn qualifiers(self) -> CapturedFragment<'tokens>

The qualifiers between visibility and the item-family keyword.

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pub const fn kind(self) -> AuthoredItemKind

The recognized structural item family.

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pub const fn kind_token(self) -> &'tokens CapturedTokenTree

The exact token carrying the item-family keyword.

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pub fn name(self) -> Option<(&'tokens CapturedTokenTree, &'tokens str)>

The optional item-name token and its ordinary or raw spelling.

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pub const fn generics(self) -> Option<CapturedFragment<'tokens>>

The exact generic-parameter run, including its angle punctuation, where one is present.

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pub const fn where_clause(self) -> Option<CapturedFragment<'tokens>>

The exact where-clause run, beginning with where, where one is present.

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pub const fn signature(self) -> CapturedFragment<'tokens>

The item-signature run after outer attributes and before its first body group or terminator.

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pub fn body(self) -> Option<(CapturedDelimiter, CapturedFragment<'tokens>)>

The optional body group’s delimiter and exact inner token fragment.

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pub const fn unsafe_token(self) -> Option<&'tokens CapturedTokenTree>

The explicit unsafe qualifier token on this item, where the caller wrote one.

This is a local syntactic boundary, not a global unsafe scan or a soundness claim.

Trait Implementations§

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impl<'tokens> Clone for AuthoredItem<'tokens>

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fn clone(&self) -> AuthoredItem<'tokens>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'tokens> Copy for AuthoredItem<'tokens>

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impl<'tokens> Debug for AuthoredItem<'tokens>

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

Formats the value using the given formatter. Read more
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impl<'tokens> Eq for AuthoredItem<'tokens>

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impl<'tokens> Hash for AuthoredItem<'tokens>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'tokens> PartialEq for AuthoredItem<'tokens>

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fn eq(&self, other: &AuthoredItem<'tokens>) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<'tokens> StructuralPartialEq for AuthoredItem<'tokens>

Auto Trait Implementations§

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impl<'tokens> Freeze for AuthoredItem<'tokens>

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impl<'tokens> RefUnwindSafe for AuthoredItem<'tokens>

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impl<'tokens> Send for AuthoredItem<'tokens>

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impl<'tokens> Sync for AuthoredItem<'tokens>

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impl<'tokens> Unpin for AuthoredItem<'tokens>

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impl<'tokens> UnsafeUnpin for AuthoredItem<'tokens>

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impl<'tokens> UnwindSafe for AuthoredItem<'tokens>

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, 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.