Enum Optional 

#[repr(u64)]
pub enum Optional<T> {
    None,
    Some(T),
}

An ABI-stable adapter for Option<T> designed for FFI bindings that use the C++ stdbind::optional<T>.

Variants

None

Some(T)

Trait Implementations

impl<T: Clone> Clone for Optional<T>

fn clone(&self) -> Optional<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Copy> Copy for Optional<T>

impl<T: Debug> Debug for Optional<T>

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

Formats the value using the given formatter.

impl<T: Eq> Eq for Optional<T>

impl<T> From<Option<T>> for Optional<T>

fn from(opt: Option<T>) -> Self

Converts to this type from the input type.

impl<T> From<Optional<T>> for Option<T>

fn from(opt: Optional<T>) -> Self

Converts to this type from the input type.

impl<T: PartialEq> PartialEq for Optional<T>

fn eq(&self, other: &Optional<T>) -> bool

Equality operator ==.

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

Inequality operator !=.

impl<T: PartialEq> StructuralPartialEq for Optional<T>