pub struct KeyLenOf<M>(/* private fields */);Expand description
Utility type for converting a storage map into a Get<u32> impl which returns the maximum
key size.
Trait Implementations§
Source§impl<Prefix, Hasher1, Key1, Hasher2, Key2, Value, QueryKind, OnEmpty, MaxValues> Get<u32> for KeyLenOf<StorageDoubleMap<Prefix, Hasher1, Key1, Hasher2, Key2, Value, QueryKind, OnEmpty, MaxValues>>where
Prefix: StorageInstance,
Hasher1: StorageHasher,
Hasher2: StorageHasher,
Key1: MaxEncodedLen,
Key2: MaxEncodedLen,
impl<Prefix, Hasher1, Key1, Hasher2, Key2, Value, QueryKind, OnEmpty, MaxValues> Get<u32> for KeyLenOf<StorageDoubleMap<Prefix, Hasher1, Key1, Hasher2, Key2, Value, QueryKind, OnEmpty, MaxValues>>where
Prefix: StorageInstance,
Hasher1: StorageHasher,
Hasher2: StorageHasher,
Key1: MaxEncodedLen,
Key2: MaxEncodedLen,
Auto Trait Implementations§
impl<M> Freeze for KeyLenOf<M>
impl<M> RefUnwindSafe for KeyLenOf<M>where
M: RefUnwindSafe,
impl<M> Send for KeyLenOf<M>where
M: Send,
impl<M> Sync for KeyLenOf<M>where
M: Sync,
impl<M> Unpin for KeyLenOf<M>where
M: Unpin,
impl<M> UnwindSafe for KeyLenOf<M>where
M: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
Source§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>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§impl<Src, Dest> IntoTuple<Dest> for Srcwhere
Dest: FromTuple<Src>,
impl<Src, Dest> IntoTuple<Dest> for Srcwhere
Dest: FromTuple<Src>,
fn into_tuple(self) -> Dest
Source§impl<T, Outer> IsWrappedBy<Outer> for T
impl<T, Outer> IsWrappedBy<Outer> for T
Source§impl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
Source§fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
Source§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 moreSource§impl<T, U> TryIntoKey<U> for Twhere
U: TryFromKey<T>,
impl<T, U> TryIntoKey<U> for Twhere
U: TryFromKey<T>,
type Error = <U as TryFromKey<T>>::Error
fn try_into_key(self) -> Result<U, <U as TryFromKey<T>>::Error>
Source§impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
Source§fn unchecked_into(self) -> T
fn unchecked_into(self) -> T
The counterpart to
unchecked_from.Source§impl<T, S> UniqueSaturatedInto<T> for S
impl<T, S> UniqueSaturatedInto<T> for S
Source§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of
T.