Enum rustc_expand::mbe::macro_parser::TokenTreeOrTokenTreeSlice[−][src]

enum TokenTreeOrTokenTreeSlice<'tt> {
    Tt(TokenTree),
    TtSeq(&'tt [TokenTree]),
}

Expand description

Either a sequence of token trees or a single one. This is used as the representation of the sequence of tokens that make up a matcher.

Variants

Tt(TokenTree)

Tuple Fields of Tt

0: TokenTree

TtSeq(&'tt [TokenTree])

Tuple Fields of TtSeq

0: &'tt [TokenTree]

Implementations

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impl<'tt> TokenTreeOrTokenTreeSlice<'tt>

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fn len(&self) -> usize

Returns the number of constituent top-level token trees of self (top-level in that it will not recursively descend into subtrees).

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fn get_tt(&self, index: usize) -> TokenTree

The index-th token tree of self.

Trait Implementations

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impl<'tt> Clone for TokenTreeOrTokenTreeSlice<'tt>

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fn clone(&self) -> TokenTreeOrTokenTreeSlice<'tt>

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

Auto Trait Implementations

impl<'tt> !RefUnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Send for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Sync for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> Unpin for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !UnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub 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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pub 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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pub 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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pub fn from(t: T) -> T

Performs the conversion.

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impl<T, U> Into for T where
U: From<T>,

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pub fn into(self) -> U

Performs the conversion.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes

Size for each variant:

Tt: 32 bytes
TtSeq: 16 bytes

Enum rustc_expand::mbe::macro_parser::TokenTreeOrTokenTreeSlice[−][src]

Variants

Tuple Fields of Tt

Tuple Fields of TtSeq

Implementations

impl<'tt> TokenTreeOrTokenTreeSlice<'tt>

fn len(&self) -> usize

fn get_tt(&self, index: usize) -> TokenTree

Trait Implementations

impl<'tt> Clone for TokenTreeOrTokenTreeSlice<'tt>

fn clone(&self) -> TokenTreeOrTokenTreeSlice<'tt>

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

Auto Trait Implementations

impl<'tt> !RefUnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Send for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Sync for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> Unpin for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !UnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

impl<T> ToOwned for T where
T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Layout

Enum rustc_expand::mbe::macro_parser::TokenTreeOrTokenTreeSlice[−][src]

Variants

Tuple Fields of Tt

Tuple Fields of TtSeq

Implementations

impl<'tt> TokenTreeOrTokenTreeSlice<'tt>

fn len(&self) -> usize

fn get_tt(&self, index: usize) -> TokenTree

Trait Implementations

impl<'tt> Clone for TokenTreeOrTokenTreeSlice<'tt>

fn clone(&self) -> TokenTreeOrTokenTreeSlice<'tt>

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

Auto Trait Implementations

impl<'tt> !RefUnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Send for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !Sync for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> Unpin for TokenTreeOrTokenTreeSlice<'tt>

impl<'tt> !UnwindSafe for TokenTreeOrTokenTreeSlice<'tt>

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Layout

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,