Enum rustc_expand::mbe::macro_parser::MatcherPosHandle

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enum MatcherPosHandle<'root, 'tt> {
    Ref(&'root mut MatcherPos<'root, 'tt>),
    Box(Box<MatcherPos<'root, 'tt>>),
}

Variants

`Ref(&'root mut MatcherPos<'root, 'tt>)`

`Box(Box<MatcherPos<'root, 'tt>>)`

Methods from Deref<Target = MatcherPos<'root, 'tt>>

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fn push_match(&mut self, idx: usize, m: NamedMatch)

Adds m as a named match for the idx-th metavar.

Trait Implementations

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impl<'root, 'tt> Clone for MatcherPosHandle<'root, 'tt>

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fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl<'root, 'tt> Deref for MatcherPosHandle<'root, 'tt>

type Target = MatcherPos<'root, 'tt>

The resulting type after dereferencing.

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fn deref(&self) -> &Self::Target

Dereferences the value.

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impl<'root, 'tt> DerefMut for MatcherPosHandle<'root, 'tt>

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fn deref_mut(&mut self) -> &mut MatcherPos<'root, 'tt>

Mutably dereferences the value.

Auto Trait Implementations

impl<'root, 'tt> !RefUnwindSafe for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> !Send for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> !Sync for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> Unpin for MatcherPosHandle<'root, 'tt> where
'tt: 'root,

impl<'root, 'tt> !UnwindSafe for MatcherPosHandle<'root, '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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

const: unstable · source

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)

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.

const: unstable · source

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.

const: unstable · source

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: 16 bytes

Size for each variant:

Ref: 8 bytes
Box: 8 bytes

Enum rustc_expand::mbe::macro_parser::MatcherPosHandle

Variants

Ref(&'root mut MatcherPos<'root, 'tt>)

Box(Box<MatcherPos<'root, 'tt>>)

Methods from Deref<Target = MatcherPos<'root, 'tt>>

fn push_match(&mut self, idx: usize, m: NamedMatch)

Trait Implementations

impl<'root, 'tt> Clone for MatcherPosHandle<'root, 'tt>

fn clone(&self) -> Self

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

impl<'root, 'tt> Deref for MatcherPosHandle<'root, 'tt>

type Target = MatcherPos<'root, 'tt>

fn deref(&self) -> &Self::Target

impl<'root, 'tt> DerefMut for MatcherPosHandle<'root, 'tt>

fn deref_mut(&mut self) -> &mut MatcherPos<'root, 'tt>

Auto Trait Implementations

impl<'root, 'tt> !RefUnwindSafe for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> !Send for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> !Sync for MatcherPosHandle<'root, 'tt>

impl<'root, 'tt> Unpin for MatcherPosHandle<'root, 'tt> where 'tt: 'root,

impl<'root, 'tt> !UnwindSafe for MatcherPosHandle<'root, '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

`Ref(&'root mut MatcherPos<'root, 'tt>)`

`Box(Box<MatcherPos<'root, 'tt>>)`

impl<'root, 'tt> Unpin for MatcherPosHandle<'root, 'tt> where
'tt: 'root,

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>,