Enum syn::UseTree

source · [−]

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 *.

This type is available only if Syn is built with the "full" feature.

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 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 Parse for UseTree

Available on crate feature parsing only.

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

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

Convert self directly into a TokenStream object. Read more

Auto Trait Implementations

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,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
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.

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. Read more

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.

const: unstable · source

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.

const: unstable · source

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

Performs the conversion.