Struct rustc_ap_rustc_ast::ast::FnHeader[][src]

pub struct FnHeader {
    pub unsafety: Unsafe,
    pub asyncness: Async,
    pub constness: Const,
    pub ext: Extern,
}
Expand description

A function header.

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

Fields

unsafety: Unsafeasyncness: Asyncconstness: Constext: Extern

Implementations

Does this function header have any qualifiers or is it empty?

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Performs the conversion.

Should always be Self

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

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

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.