Enum UseTree

pub enum UseTree {
    Path(UsePath),
    Name(UseName),
    Rename(UseRename),
    Glob(UseGlob),
    Group(UseGroup),
}

Available on crate feature full only.

Expand description

A suffix of an import tree in a use item: Type as Renamed or *.

§Syntax tree enum

This type is a syntax tree enum.

Variants§

Path(UsePath)

A path prefix of imports in a use item: std::....

Name(UseName)

An identifier imported by a use item: HashMap.

Rename(UseRename)

An renamed identifier imported by a use item: HashMap as Map.

Glob(UseGlob)

A glob import in a use item: *.

Group(UseGroup)

A braced group of imports in a use item: {A, B, C}.

Trait Implementations§

impl Clone for UseTree

Available on crate feature clone-impls only.

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

impl Debug for UseTree

Available on crate feature extra-traits only.

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

Formats the value using the given formatter. Read more

impl From<UseGlob> for UseTree

fn from(e: UseGlob) -> UseTree

Converts to this type from the input type.

impl From<UseGroup> for UseTree

fn from(e: UseGroup) -> UseTree

Converts to this type from the input type.

impl From<UseName> for UseTree

fn from(e: UseName) -> UseTree

Converts to this type from the input type.

impl From<UsePath> for UseTree

fn from(e: UsePath) -> UseTree

Converts to this type from the input type.

impl From<UseRename> for UseTree

fn from(e: UseRename) -> UseTree

Converts to this type from the input type.

impl Hash for UseTree

Available on crate feature extra-traits only.

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

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

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

impl Parse for UseTree

Available on crate feature parsing only.

fn parse(input: ParseStream<'_>) -> Result<UseTree>

impl PartialEq for UseTree

Available on crate feature extra-traits only.

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ToTokens for UseTree

Available on crate feature printing only.

fn to_tokens(&self, tokens: &mut TokenStream)

Write self to the given TokenStream. Read more

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object. Read more

fn into_token_stream(self) -> TokenStream
where Self: Sized,

Convert self directly into a TokenStream object. Read more

impl Eq for UseTree

Available on crate feature extra-traits only.

Auto Trait Implementations§

impl Freeze for UseTree

impl RefUnwindSafe for UseTree

impl !Send for UseTree

impl !Sync for UseTree

impl Unpin for UseTree

impl UnwindSafe for UseTree

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

unsafe fn clone_to_uninit(&self, dst: *mut u8)

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

Performs copy-assignment from self to dst. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Spanned for T
where T: Spanned + ?Sized,

fn span(&self) -> Span

Available on crate features parsing and printing only.

Returns a Span covering the complete contents of this syntax tree node, or Span::call_site() if this node is empty.

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::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: 64 bytes

Size for each variant:

Path: 44 bytes
Name: 28 bytes
Rename: 60 bytes
Glob: 4 bytes
Group: 52 bytes