Struct syn::ExprTry

[+] Show declaration

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

[−] Expand description

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 Clone for ExprTry[+]

[+] Show hidden undocumented items

fn clone(&self) -> ExprTry[−]

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExprTry[+]

[+] Show hidden undocumented items

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

Formats the value using the given formatter.

impl Eq for ExprTry

impl From<ExprTry> for Expr[+]

[+] Show hidden undocumented items

fn from(e: ExprTry) -> Expr[−]

Performs the conversion.

impl Hash for ExprTry[+]

[+] Show hidden undocumented items

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 Parse for ExprTry[+]

[+] Show hidden undocumented items

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

impl PartialEq<ExprTry> for ExprTry[+]

[+] Show hidden undocumented items

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 StructuralEq for ExprTry

impl StructuralPartialEq for ExprTry

impl ToTokens for ExprTry[+]

[+] Show hidden undocumented items

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.