Enum syn::Stmt

source ·
pub enum Stmt {
    Local(Local),
    Item(Item),
    Expr(Expr, Option<Semi>),
    Macro(StmtMacro),
}
Expand description

A statement, usually ending in a semicolon.

Variants§

§

Local(Local)

A local (let) binding.

§

Item(Item)

An item definition.

§

Expr(Expr, Option<Semi>)

Expression, with or without trailing semicolon.

§

Macro(StmtMacro)

A macro invocation in statement position.

Syntactically it’s ambiguous which other kind of statement this macro would expand to. It can be any of local variable (let), item, or expression.

Trait Implementations§

source§

impl Clone for Stmt

source§

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
source§

impl Parse for Stmt

source§

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

source§

impl ToTokens for Stmt

source§

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

Write self to the given TokenStream. Read more
source§

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object. Read more
source§

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

Convert self directly into a TokenStream object. Read more

Auto Trait Implementations§

§

impl Freeze for Stmt

§

impl RefUnwindSafe for Stmt

§

impl !Send for Stmt

§

impl !Sync for Stmt

§

impl Unpin for Stmt

§

impl UnwindSafe for Stmt

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

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

source§

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

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.

source§

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

source§

fn span(&self) -> Span

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

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

source§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

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

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

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

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

source§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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

source§

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

The type returned in the event of a conversion error.
source§

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

Performs the conversion.