syn

Struct Signature

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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).

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§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

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impl Signature

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

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

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impl Clone for Signature

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Parse for Signature

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

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impl ToTokens for Signature

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

Write self to the given TokenStream. Read more
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fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object. Read more
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fn into_token_stream(self) -> TokenStream
where Self: Sized,

Convert self directly into a TokenStream object. Read more

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Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.