Struct syn::ExprTry

pub struct ExprTry {
    pub attrs: Vec<Attribute>,
    pub expr: Box<Expr>,
    pub question_token: Question,
}

A try-expression: expr?.

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

Fields

attrs: Vec<Attribute>

expr: Box<Expr>

question_token: Question

Trait Implementations

impl Parse for ExprTry

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

impl From<ExprTry> for Expr

fn from(e: ExprTry) -> Expr

Performs the conversion.

impl Clone for ExprTry

fn clone(&self) -> ExprTry

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Eq for ExprTry

impl PartialEq<ExprTry> for ExprTry

fn eq(&self, other: &ExprTry) -> bool

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

fn ne(&self, other: &ExprTry) -> bool

This method tests for !=.

impl Debug for ExprTry

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Hash for ExprTry

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl StructuralPartialEq for ExprTry

impl StructuralEq for ExprTry

impl ToTokens for ExprTry

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

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

Convert self directly into a TokenStream object.