[−][src]Struct rustc::hir::Pat

pub struct Pat {
    pub id: NodeId,
    pub hir_id: HirId,
    pub node: PatKind,
    pub span: Span,
}

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Fields

id: NodeId

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

hir_id: HirId

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

node: PatKind

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

span: Span

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Methods

`impl Pat`
[src]

`pub fn is_refutable(&self) -> bool`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`pub fn is_const(&self) -> bool`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`pub fn each_binding<F>(&self, f: F) where F: FnMut(BindingAnnotation, HirId, Span, Ident),`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Call f on every "binding" in a pattern, e.g., on a in match foo() { Some(a) => (), None => () }

`pub fn contains_bindings(&self) -> bool`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Checks if the pattern contains any patterns that bind something to an ident, e.g. foo, or Foo(foo) or foo @ Bar(..).

`pub fn contains_bindings_or_wild(&self) -> bool`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Checks if the pattern contains any patterns that bind something to an ident or wildcard, e.g. foo, or Foo(_), foo @ Bar(..),

`pub fn simple_ident(&self) -> Option<Ident>`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

ⓘImportant traits for Vec<u8>
Important traits for Vec<u8>
`impl Write for Vec<u8>`
`pub fn necessary_variants(&self) -> Vec<DefId>`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Return variants that are necessary to exist for the pattern to match.

`pub fn contains_explicit_ref_binding(&self) -> Option<Mutability>`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Checks if the pattern contains any ref or ref mut bindings, and if yes whether it contains mutable or just immutables ones.

FIXME(tschottdorf): this is problematic as the HIR is being scraped, but ref bindings are be implicit after #42640 (default match binding modes).

See #44848.

`impl Pat`
[src]

`fn walk_<G>(&self, it: &mut G) -> bool where G: FnMut(&Pat) -> bool,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`pub fn walk<F>(&self, it: F) -> bool where F: FnMut(&Pat) -> bool,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

`impl Clone for Pat`
[src]

`fn clone(&self) -> Pat`
[src]

Returns a copy of the value. Read more

`fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

Performs copy-assignment from source. Read more

`impl Encodable for Pat`
[src]

`fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), __S::Error>`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl Decodable for Pat`
[src]

`fn decode<D: Decoder>(d: &mut D) -> Result<Pat, __D::Error>`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl Debug for Pat`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

Formats the value using the given formatter. Read more

`impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Pat`
[src]

`fn hash_stable<W: StableHasherResult>( &self, ctx: &mut StableHashingContext<'a>, hasher: &mut StableHasher<W> )`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl HirNode for Pat`
[src]

`fn hir_id(&self) -> HirId`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`fn span(&self) -> Span`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Auto Trait Implementations

`impl !Send for Pat`

`impl !Sync for Pat`

Blanket Implementations

`impl<T> MaybeResult for T`
[src]

`fn from_ok(T) -> T`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`fn map_same<F>(Self, F) -> T where F: FnOnce(T) -> T,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl<'a, T> Captures for T where T: ?Sized,`
[src]

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

`fn to_owned(&self) -> T`
[src]

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

`fn clone_into(&self, target: &mut T)`
[src]

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

recently added

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

`impl<T> From for T`
[src]

`fn from(t: T) -> T`
[src]

Performs the conversion.

`impl<T, U> Into for T where U: From<T>,`
[src]

`fn into(self) -> U`
[src]

Performs the conversion.

`impl<T, U> TryFrom for T where T: From,`
[src]

`type Error = !`

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

The type returned in the event of a conversion error.

`fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`
[src]

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

Performs the conversion.

`impl<T> Borrow for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow(&self) -> &T`
[src]

Immutably borrows from an owned value. Read more

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

`type Error = >::Error`

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

The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, >::Error>`
[src]

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

Performs the conversion.

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow_mut(&mut self) -> &mut T`
[src]

Mutably borrows from an owned value. Read more

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

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

this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

`impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized,`
[src]

`fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl<T> Decodable for T where T: UseSpecializedDecodable,`
[src]

`fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

`impl<E> SpecializationError for E`
[src]

`fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized,`
[src]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S is the encoder/decoder state type, T is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more

[−][src]Struct rustc::hir::Pat

Fields

Methods

impl Pat[src]

pub fn is_refutable(&self) -> bool[src]

pub fn is_const(&self) -> bool[src]

pub fn each_binding<F>(&self, f: F) where F: FnMut(BindingAnnotation, HirId, Span, Ident), [src]

pub fn contains_bindings(&self) -> bool[src]

pub fn contains_bindings_or_wild(&self) -> bool[src]

pub fn simple_ident(&self) -> Option<Ident>[src]

ⓘImportant traits for Vec<u8>Important traits for Vec<u8>impl Write for Vec<u8>pub fn necessary_variants(&self) -> Vec<DefId>[src]

Important traits for Vec<u8>

pub fn contains_explicit_ref_binding(&self) -> Option<Mutability>[src]

impl Pat[src]

fn walk_<G>(&self, it: &mut G) -> bool where G: FnMut(&Pat) -> bool, [src]

pub fn walk<F>(&self, it: F) -> bool where F: FnMut(&Pat) -> bool, [src]

Trait Implementations

impl Clone for Pat[src]

fn clone(&self) -> Pat[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

impl Encodable for Pat[src]

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>[src]

impl Decodable for Pat[src]

fn decode<__D: Decoder>(d: &mut __D) -> Result<Pat, __D::Error>[src]

impl Debug for Pat[src]

fn fmt(&self, f: &mut Formatter) -> Result[src]

impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Pat[src]

fn hash_stable<W: StableHasherResult>( &self, __ctx: &mut StableHashingContext<'a>, __hasher: &mut StableHasher<W>)[src]

impl HirNode for Pat[src]

fn hir_id(&self) -> HirId[src]

fn span(&self) -> Span[src]

Auto Trait Implementations

impl !Send for Pat

impl !Sync for Pat

Blanket Implementations

impl<T> MaybeResult for T[src]

fn from_ok(T) -> T[src]

fn map_same<F>(Self, F) -> T where F: FnOnce(T) -> T, [src]

impl<'a, T> Captures for T where T: ?Sized, [src]

impl<T> ToOwned for T where T: Clone, [src]

type Owned = T

fn to_owned(&self) -> T[src]

fn clone_into(&self, target: &mut T)[src]

impl<T> From for T[src]

fn from(t: T) -> T[src]

impl<T, U> Into for T where U: From<T>, [src]

fn into(self) -> U[src]

impl<T, U> TryFrom for T where T: From<U>, [src]

type Error = !

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

impl<T> Borrow for T where T: ?Sized, [src]

ⓘImportant traits for &'a mut RImportant traits for &'a mut Rimpl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = <I as Iterator>::Item;fn borrow(&self) -> &T[src]

Important traits for &'a mut R

impl<T, U> TryInto for T where U: TryFrom<T>, [src]

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

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

impl<T> BorrowMut for T where T: ?Sized, [src]

Important traits for &'a mut R

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

fn get_type_id(&self) -> TypeId[src]

impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized, [src]

fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder, [src]

impl<T> Decodable for T where T: UseSpecializedDecodable, [src]

fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder, [src]

impl<E> SpecializationError for E[src]

fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized, [src]

impl<T> Erased for T[src]

impl<T> Send for T where T: ?Sized, [src]

impl<T> Sync for T where T: ?Sized, [src]

impl<T> Erased for T

`impl Pat`
[src]

`pub fn is_refutable(&self) -> bool`
[src]

`pub fn is_const(&self) -> bool`
[src]

`pub fn each_binding<F>(&self, f: F) where F: FnMut(BindingAnnotation, HirId, Span, Ident),`
[src]

`pub fn contains_bindings(&self) -> bool`
[src]

`pub fn contains_bindings_or_wild(&self) -> bool`
[src]

`pub fn simple_ident(&self) -> Option<Ident>`
[src]

ⓘImportant traits for Vec<u8>
Important traits for Vec<u8>
`impl Write for Vec<u8>`
`pub fn necessary_variants(&self) -> Vec<DefId>`
[src]

`pub fn contains_explicit_ref_binding(&self) -> Option<Mutability>`
[src]

`impl Pat`
[src]

`fn walk_<G>(&self, it: &mut G) -> bool where G: FnMut(&Pat) -> bool,`
[src]

`pub fn walk<F>(&self, it: F) -> bool where F: FnMut(&Pat) -> bool,`
[src]

`impl Clone for Pat`
[src]

`fn clone(&self) -> Pat`
[src]

`fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

`impl Encodable for Pat`
[src]

`fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), __S::Error>`
[src]

`impl Decodable for Pat`
[src]

`fn decode<D: Decoder>(d: &mut D) -> Result<Pat, __D::Error>`
[src]

`impl Debug for Pat`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

`impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Pat`
[src]

`fn hash_stable<W: StableHasherResult>( &self, ctx: &mut StableHashingContext<'a>, hasher: &mut StableHasher<W> )`
[src]

`impl HirNode for Pat`
[src]

`fn hir_id(&self) -> HirId`
[src]

`fn span(&self) -> Span`
[src]

`impl !Send for Pat`

`impl !Sync for Pat`

`impl<T> MaybeResult for T`
[src]

`fn from_ok(T) -> T`
[src]

`fn map_same<F>(Self, F) -> T where F: FnOnce(T) -> T,`
[src]

`impl<'a, T> Captures for T where T: ?Sized,`
[src]

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

`fn to_owned(&self) -> T`
[src]

`fn clone_into(&self, target: &mut T)`
[src]

`impl<T> From for T`
[src]

`fn from(t: T) -> T`
[src]

`impl<T, U> Into for T where U: From<T>,`
[src]

`fn into(self) -> U`
[src]

`impl<T, U> TryFrom for T where T: From<U>,`
[src]

`type Error = !`

`fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>`
[src]

`impl<T> Borrow for T where T: ?Sized,`
[src]

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

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

`fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>`
[src]

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

`impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized,`
[src]

`fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder,`
[src]

`impl<T> Decodable for T where T: UseSpecializedDecodable,`
[src]

`fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder,`
[src]

`impl<E> SpecializationError for E`
[src]

`fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized,`
[src]

`impl<T> Erased for T`
[src]

`impl<T> Send for T where T: ?Sized,`
[src]

`impl<T> Sync for T where T: ?Sized,`
[src]

`impl<T> Erased for T`