Struct syn::Signature

source ·
pub struct Signature {
    pub constness: Option<Const>,
    pub asyncness: Option<Async>,
    pub unsafety: Option<Unsafe>,
    pub abi: Option<Abi>,
    pub fn_token: Fn,
    pub ident: Ident,
    pub generics: Generics,
    pub paren_token: Paren,
    pub inputs: Punctuated<FnArg, Comma>,
    pub variadic: Option<Variadic>,
    pub output: ReturnType,
}
Expand description

A function signature in a trait or implementation: unsafe fn initialize(&self).

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

Fields§

§constness: Option<Const>§asyncness: Option<Async>§unsafety: Option<Unsafe>§abi: Option<Abi>§fn_token: Fn§ident: Ident§generics: Generics§paren_token: Paren§inputs: Punctuated<FnArg, Comma>§variadic: Option<Variadic>§output: ReturnType

Implementations§

source§

impl Signature

source

pub fn receiver(&self) -> Option<&FnArg>

A method’s self receiver, such as &self or self: Box<Self>.

Trait Implementations§

source§

impl Clone for Signature

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 Signature

source§

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

source§

impl ToTokens for Signature

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) -> TokenStreamwhere Self: Sized,

Convert self directly into a TokenStream object. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. 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 Twhere 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 Twhere 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 Twhere T: Clone,

§

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 Twhere U: Into<T>,

§

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 Twhere U: TryFrom<T>,

§

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.