[−][src]Struct protobuf::ext::ExtFieldOptional

pub struct ExtFieldOptional<M: Message, T: ProtobufType> {
    pub field_number: u32,
    pub phantom: PhantomData<(M, T)>,
}

Optional ext field

Fields

field_number: u32

Extension field number

phantom: PhantomData<(M, T)>

Marker

Methods

impl<M: Message, T: ProtobufType> ExtFieldOptional<M, T>[src]

pub fn get(&self, m: &M) -> Option<T::Value>[src]

Get a copy of value from a message.

Extension data is stored in UnknownFields.

Auto Trait Implementations

impl<M, T> Sync for ExtFieldOptional<M, T> where
    T: Sync, 

impl<M, T> Send for ExtFieldOptional<M, T> where
    T: Send, 

impl<M, T> Unpin for ExtFieldOptional<M, T> where
    M: Unpin,
    T: Unpin, 

impl<M, T> RefUnwindSafe for ExtFieldOptional<M, T> where
    M: RefUnwindSafe,
    T: RefUnwindSafe, 

impl<M, T> UnwindSafe for ExtFieldOptional<M, T> where
    M: UnwindSafe,
    T: UnwindSafe, 

Blanket Implementations

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> Any for T where
    T: 'static + ?Sized, [src]