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: Unsafe
asyncness: Async
constness: Const
ext: Extern
Implementations
sourceimpl FnHeader
impl FnHeader
sourcepub fn has_qualifiers(&self) -> bool
pub fn has_qualifiers(&self) -> bool
Does this function header have any qualifiers or is it empty?
Trait Implementations
impl Copy for FnHeader
Auto Trait Implementations
impl RefUnwindSafe for FnHeader
impl !Send for FnHeader
impl !Sync for FnHeader
impl Unpin for FnHeader
impl UnwindSafe for FnHeader
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Layout
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 72 bytes