Struct frame_support::traits::GetDefault [−][src]
Implement Get by returning Default for any type that implements Default.
Trait Implementations
impl<T: Default> Get<T> for GetDefault[src]
impl<Value> QueryKindTrait<Value, GetDefault> for OptionQuery where
Value: FullCodec + 'static, [src]
Value: FullCodec + 'static,
const METADATA: StorageEntryModifier[src]
type Query = Option<Value>
Type returned on query
fn from_optional_value_to_query(v: Option<Value>) -> Self::Query[src]
fn from_query_to_optional_value(v: Self::Query) -> Option<Value>[src]
Auto Trait Implementations
impl RefUnwindSafe for GetDefault
impl Send for GetDefault
impl Sync for GetDefault
impl Unpin for GetDefault
impl UnwindSafe for GetDefault
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<T> CheckedConversion for T[src]
pub fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>, [src]
Self: TryFrom<T>,
pub fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>, [src]
Self: TryInto<T>,
impl<T> From<T> for T[src]
impl<T> Instrument for T[src]
pub fn instrument(self, span: Span) -> Instrumented<Self>[src]
pub fn in_current_span(self) -> Instrumented<Self>[src]
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T> IsType<T> for T[src]
pub fn from_ref(&T) -> &T[src]
pub fn into_ref(&Self) -> &T[src]
pub fn from_mut(&mut T) -> &mut T[src]
pub fn into_mut(&mut Self) -> &mut T[src]
impl<T, Outer> IsWrappedBy<Outer> for T where
T: From<Outer>,
Outer: AsRef<T> + AsMut<T> + From<T>, [src]
T: From<Outer>,
Outer: AsRef<T> + AsMut<T> + From<T>,
pub fn from_ref(outer: &Outer) -> &T[src]
Get a reference to the inner from the outer.
pub fn from_mut(outer: &mut Outer) -> &mut T[src]
Get a mutable reference to the inner from the outer.
impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe, [src]
T: RefUnwindSafe,
impl<T> Same<T> for T[src]
type Output = T
Should always be Self
impl<T> SaturatedConversion for T[src]
pub fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>, [src]
Self: UniqueSaturatedFrom<T>,
pub fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>, [src]
Self: UniqueSaturatedInto<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>, [src]
T: UncheckedFrom<S>,
pub fn unchecked_into(self) -> T[src]
impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>, [src]
T: Bounded,
S: TryInto<T>,
pub fn unique_saturated_into(self) -> T[src]
impl<V, T> VZip<V> for T where
V: MultiLane<T>, [src]
V: MultiLane<T>,