Struct syntax::ast::FnHeader

pub struct FnHeader {
    pub unsafety: Unsafety,
    pub asyncness: IsAsync,
    pub constness: Spanned<Constness>,
    pub abi: Abi,
}

🔬 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?

A function header

All the information between the visibility & the name of the function is included in this struct (e.g. async unsafe fn or const extern "C" fn)

Fields

unsafety: Unsafety

🔬 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?

asyncness: IsAsync

🔬 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?

constness: Spanned<Constness>

🔬 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?

abi: Abi

🔬 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?

Trait Implementations

impl Clone for FnHeader

fn clone(&self) -> FnHeader

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for FnHeader

impl Encodable for FnHeader

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

fn decode<__D: Decoder>(d: &mut __D) -> Result<FnHeader, __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 FnHeader

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

Formats the value using the given formatter.

impl Default for FnHeader

fn default() -> FnHeader

Returns the "default value" for a type.