pub struct UnitOnly<E> {
marker: PhantomData<E>,
}
Fields
marker: PhantomData<E>
Trait Implementations
sourceimpl<'de, E> VariantAccess<'de> for UnitOnly<E> where
E: Error,
impl<'de, E> VariantAccess<'de> for UnitOnly<E> where
E: Error,
type Error = E
type Error = E
The error type that can be returned if some error occurs during
deserialization. Must match the error type of our EnumAccess
. Read more
sourcefn unit_variant(self) -> Result<(), Self::Error>
fn unit_variant(self) -> Result<(), Self::Error>
Called when deserializing a variant with no values. Read more
sourcefn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value, Self::Error> where
T: DeserializeSeed<'de>,
fn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value, Self::Error> where
T: DeserializeSeed<'de>,
Called when deserializing a variant with a single value. Read more
sourcefn tuple_variant<V>(
self,
_len: usize,
_visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
fn tuple_variant<V>(
self,
_len: usize,
_visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Called when deserializing a tuple-like variant. Read more
sourcefn struct_variant<V>(
self,
_fields: &'static [&'static str],
_visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
fn struct_variant<V>(
self,
_fields: &'static [&'static str],
_visitor: V
) -> Result<V::Value, Self::Error> where
V: Visitor<'de>,
Called when deserializing a struct-like variant. Read more
sourcefn newtype_variant<T>(self) -> Result<T, Self::Error> where
T: Deserialize<'de>,
fn newtype_variant<T>(self) -> Result<T, Self::Error> where
T: Deserialize<'de>,
Called when deserializing a variant with a single value. Read more
Auto Trait Implementations
impl<E> RefUnwindSafe for UnitOnly<E> where
E: RefUnwindSafe,
impl<E> Send for UnitOnly<E> where
E: Send,
impl<E> Sync for UnitOnly<E> where
E: Sync,
impl<E> Unpin for UnitOnly<E> where
E: Unpin,
impl<E> UnwindSafe for UnitOnly<E> where
E: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more