Struct pallet_payment::GetDefault
pub struct GetDefault;
Expand description
Implement Get by returning Default for any type that implements Default.
Trait Implementations§
§impl<Value> QueryKindTrait<Value, GetDefault> for OptionQuerywhere
Value: 'static + FullCodec,
impl<Value> QueryKindTrait<Value, GetDefault> for OptionQuerywhere
Value: 'static + FullCodec,
§const METADATA: StorageEntryModifier = StorageEntryModifier::Optional
const METADATA: StorageEntryModifier = StorageEntryModifier::Optional
Metadata for the storage kind.
§fn from_optional_value_to_query(
v: Option<Value>
) -> <OptionQuery as QueryKindTrait<Value, GetDefault>>::Query
fn from_optional_value_to_query(
v: Option<Value>
) -> <OptionQuery as QueryKindTrait<Value, GetDefault>>::Query
Convert an optional value (i.e. some if trie contains the value or none otherwise) to the
query. Read more
§fn from_query_to_optional_value(
v: <OptionQuery as QueryKindTrait<Value, GetDefault>>::Query
) -> Option<Value>
fn from_query_to_optional_value(
v: <OptionQuery as QueryKindTrait<Value, GetDefault>>::Query
) -> Option<Value>
Convert a query to an optional value.
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> CheckedConversion for T
impl<T> CheckedConversion for T
§fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
§fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
§fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read more§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read more§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read moresource§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
§fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
§fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
Consume self to return an equivalent value of
T
. Read more§impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
§fn unchecked_into(self) -> T
fn unchecked_into(self) -> T
The counterpart to
unchecked_from
.§impl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
impl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of
T
.