Struct syntax::ast::Arg

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

🔬 This is a nightly-only experimental API. (rustc_private)

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An argument in a function header.

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

Fields

ty: P<Ty>

🔬 This is a nightly-only experimental API. (rustc_private)

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pat: P<Pat>

🔬 This is a nightly-only experimental API. (rustc_private)

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id: NodeId

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Methods

impl Arg

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

🔬 This is a nightly-only experimental API. (rustc_private)

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pub fn is_self(&self) -> bool

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

🔬 This is a nightly-only experimental API. (rustc_private)

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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 Encodable for Arg

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

🔬 This is a nightly-only experimental API. (rustc_private)

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impl Decodable for Arg

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

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

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>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?