Struct syntax::ast::Arg

pub struct Arg {
    pub ty: P<Ty>,
    pub pat: P<Pat>,
    pub id: NodeId,
}

An argument in a function header.

E.g. bar: usize as in fn foo(bar: usize)

Fields

ty: P<Ty>

pat: P<Pat>

id: NodeId

Methods

impl Arg

pub fn to_self(&self) -> Option<ExplicitSelf>

pub fn is_self(&self) -> bool

pub fn from_self(eself: ExplicitSelf, eself_ident: Ident) -> Arg

Trait Implementations

impl Clone for Arg

fn clone(&self) -> Arg

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for Arg

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

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

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

This method tests for !=.

impl Eq for Arg

impl Encodable for Arg

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

impl Decodable for Arg

fn decode<__D: Decoder>(d: &mut __D) -> Result<Arg, __D::Error>

impl Hash for Arg

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 Debug for Arg

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

Formats the value using the given formatter.

impl ToTokens for Arg

Important traits for Vec<u8>

impl Write for Vec<u8>

fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree>