Struct syn::ExprReturn

[+] Show declaration

pub struct ExprReturn {
    pub attrs: Vec<Attribute>,
    pub return_token: Return,
    pub expr: Option<Box<Expr>>,
}

[−] Expand description

A return, with an optional value to be returned.

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

Fields

attrs: Vec<Attribute>

return_token: Return

expr: Option<Box<Expr>>

Trait Implementations

impl Clone for ExprReturn[+]

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fn clone(&self) -> Self[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Debug for ExprReturn[+]

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

Formats the value using the given formatter.

impl Eq for ExprReturn

impl From<ExprReturn> for Expr[+]

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fn from(e: ExprReturn) -> Expr[−]

Performs the conversion.

impl Hash for ExprReturn[+]

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

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, [−]

Feeds a slice of this type into the given Hasher.

impl Parse for ExprReturn[+]

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

impl PartialEq<ExprReturn> for ExprReturn[+]

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fn eq(&self, other: &Self) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

[+] Expand attributes

#[must_use]pub fn ne(&self, other: &Rhs) -> bool[−]

This method tests for !=.

impl ToTokens for ExprReturn[+]

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fn to_tokens(&self, tokens: &mut TokenStream)[−]

Write self to the given TokenStream.

pub fn to_token_stream(&self) -> TokenStream[−]

Convert self directly into a TokenStream object.

pub fn into_token_stream(self) -> TokenStream[−]

Convert self directly into a TokenStream object.