Enum rustc_hir::intravisit::FnKind

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pub enum FnKind<'a> {
    ItemFn(Ident, &'a Generics<'a>, FnHeader),
    Method(Ident, &'a FnSig<'a>),
    Closure,
}

Variants

`ItemFn(Ident, &'a Generics<'a>, FnHeader)`

#[xxx] pub async/const/extern "Abi" fn foo()

`Method(Ident, &'a FnSig<'a>)`

fn foo(&self)

`Closure`

|x, y| {}

Implementations

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impl<'a> FnKind<'a>

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pub fn constness(self) -> Constness

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pub fn asyncness(self) -> IsAsync

Trait Implementations

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impl<'a> Clone for FnKind<'a>

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fn clone(&self) -> FnKind<'a>

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<'a> Debug for FnKind<'a>

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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<'a> Copy for FnKind<'a>

Auto Trait Implementations

impl<'a> RefUnwindSafe for FnKind<'a>

impl<'a> !Send for FnKind<'a>

impl<'a> !Sync for FnKind<'a>

impl<'a> Unpin for FnKind<'a>

impl<'a> UnwindSafe for FnKind<'a>

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,

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fn allocate_on(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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 Twhere
T: Clone,

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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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: 32 bytes

Size for each variant:

ItemFn: 31 bytes
Method: 23 bytes
Closure: 0 bytes

Enum rustc_hir::intravisit::FnKind

Variants

ItemFn(Ident, &'a Generics<'a>, FnHeader)

Method(Ident, &'a FnSig<'a>)

Closure

Implementations

impl<'a> FnKind<'a>

pub fn header(&self) -> Option<&FnHeader>

pub fn constness(self) -> Constness

pub fn asyncness(self) -> IsAsync

Trait Implementations

impl<'a> Clone for FnKind<'a>

fn clone(&self) -> FnKind<'a>

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

impl<'a> Debug for FnKind<'a>

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

impl<'a> Copy for FnKind<'a>

Auto Trait Implementations

impl<'a> RefUnwindSafe for FnKind<'a>

impl<'a> !Send for FnKind<'a>

impl<'a> !Sync for FnKind<'a>

impl<'a> Unpin for FnKind<'a>

impl<'a> UnwindSafe for FnKind<'a>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere T: Copy,

fn allocate_on(self, arena: &'a Arena<'tcx>) -> &'a mut T

fn allocate_from_iter( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>) -> &'a mut [T]ⓘNotable traits for &[u8]impl Read for &[u8]impl Write for &mut [u8]

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

Layout

`ItemFn(Ident, &'a Generics<'a>, FnHeader)`

`Method(Ident, &'a FnSig<'a>)`

`Closure`

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

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,

fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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

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

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

impl<T> ToOwned for Twhere
T: Clone,

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

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