Struct scale_info::prelude::collections::hash_map::RawEntryBuilder

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pub struct RawEntryBuilder<'a, K, V, S>where
    K: 'a,
    V: 'a,
    S: 'a,{ /* private fields */ }

🔬This is a nightly-only experimental API. (hash_raw_entry)

Expand description

A builder for computing where in a HashMap a key-value pair would be stored.

See the HashMap::raw_entry docs for usage examples.

Implementations§

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impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>where
S: BuildHasher,

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pub fn from_key<Q>(self, k: &Q) -> Option<(&'a K, &'a V)>where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized,

🔬This is a nightly-only experimental API. (hash_raw_entry)

Access an entry by key.

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pub fn from_key_hashed_nocheck<Q>(
 self,
 hash: u64,
 k: &Q
) -> Option<(&'a K, &'a V)>where
 K: Borrow<Q>,
 Q: Hash + Eq + ?Sized,

🔬This is a nightly-only experimental API. (hash_raw_entry)

Access an entry by a key and its hash.

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pub fn from_hash<F>(self, hash: u64, is_match: F) -> Option<(&'a K, &'a V)>where
F: FnMut(&K) -> bool,

🔬This is a nightly-only experimental API. (hash_raw_entry)

Access an entry by hash.

Trait Implementations§

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impl<K, V, S> Debug for RawEntryBuilder<'_, K, V, S>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a, K, V, S> RefUnwindSafe for RawEntryBuilder<'a, K, V, S>where
 K: RefUnwindSafe,
 S: RefUnwindSafe,
 V: RefUnwindSafe,

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impl<'a, K, V, S> Send for RawEntryBuilder<'a, K, V, S>where
 K: Sync,
 S: Sync,
 V: Sync,

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impl<'a, K, V, S> Sync for RawEntryBuilder<'a, K, V, S>where
 K: Sync,
 S: Sync,
 V: Sync,

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impl<'a, K, V, S> Unpin for RawEntryBuilder<'a, K, V, S>

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impl<'a, K, V, S> UnwindSafe for RawEntryBuilder<'a, K, V, S>where
 K: RefUnwindSafe,
 S: RefUnwindSafe,
 V: RefUnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> Conv for T

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fn conv<T>(self) -> Twhere
Self: Into<T>,

Converts self into T using Into<T>. Read more

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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted. Read more

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fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

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fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

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fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

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fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted. Read more

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fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

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fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

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fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pipe for Twhere
T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,

Pipes by value. This is generally the method you want to use. Read more

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

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fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

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fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

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fn tap_borrow(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

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fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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impl<T, U> TryFrom for Twhere
U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct scale_info::prelude::collections::hash_map::RawEntryBuilder

Implementations§

impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>where S: BuildHasher,

pub fn from_key<Q>(self, k: &Q) -> Option<(&'a K, &'a V)>where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

pub fn from_key_hashed_nocheck<Q>( self, hash: u64, k: &Q) -> Option<(&'a K, &'a V)>where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

pub fn from_hash<F>(self, hash: u64, is_match: F) -> Option<(&'a K, &'a V)>where F: FnMut(&K) -> bool,

Trait Implementations§

impl<K, V, S> Debug for RawEntryBuilder<'_, K, V, S>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Auto Trait Implementations§

impl<'a, K, V, S> RefUnwindSafe for RawEntryBuilder<'a, K, V, S>where K: RefUnwindSafe, S: RefUnwindSafe, V: RefUnwindSafe,

impl<'a, K, V, S> Send for RawEntryBuilder<'a, K, V, S>where K: Sync, S: Sync, V: Sync,

impl<'a, K, V, S> Sync for RawEntryBuilder<'a, K, V, S>where K: Sync, S: Sync, V: Sync,

impl<'a, K, V, S> Unpin for RawEntryBuilder<'a, K, V, S>

impl<'a, K, V, S> UnwindSafe for RawEntryBuilder<'a, K, V, S>where K: RefUnwindSafe, S: RefUnwindSafe, V: RefUnwindSafe,

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> Conv for T

fn conv<T>(self) -> Twhere Self: Into<T>,

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>where Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self>where Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self>where Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self>where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self>where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self>where Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self>where Self: UpperHex,

fn fmt_list(self) -> FmtList<Self>where &'a Self: for<'a> IntoIterator,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> Pipe for Twhere T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere Self: Sized,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R) -> Rwhere Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere Self: Deref<Target = T>, T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere Self: DerefMut<Target = T> + Deref, T: ?Sized,

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere Self: Deref<Target = T>, T: ?Sized,

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere Self: DerefMut<Target = T> + Deref, T: ?Sized,

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>where Self: TryInto<T>,

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>where
S: BuildHasher,

pub fn from_key<Q>(self, k: &Q) -> Option<(&'a K, &'a V)>where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized,

pub fn from_key_hashed_nocheck<Q>(
self,
hash: u64,
k: &Q
) -> Option<(&'a K, &'a V)>where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized,

pub fn from_hash<F>(self, hash: u64, is_match: F) -> Option<(&'a K, &'a V)>where
F: FnMut(&K) -> bool,

impl<'a, K, V, S> RefUnwindSafe for RawEntryBuilder<'a, K, V, S>where
K: RefUnwindSafe,
S: RefUnwindSafe,
V: RefUnwindSafe,

impl<'a, K, V, S> Send for RawEntryBuilder<'a, K, V, S>where
K: Sync,
S: Sync,
V: Sync,

impl<'a, K, V, S> Sync for RawEntryBuilder<'a, K, V, S>where
K: Sync,
S: Sync,
V: Sync,

impl<'a, K, V, S> UnwindSafe for RawEntryBuilder<'a, K, V, S>where
K: RefUnwindSafe,
S: RefUnwindSafe,
V: RefUnwindSafe,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn conv<T>(self) -> Twhere
Self: Into<T>,

fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,

fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> Pipe for Twhere
T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,

fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere
Self: DerefMut<Target = T> + Deref,
T: 'a + ?Sized,
R: 'a,

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

fn try_conv<T>(self) -> Result<T, Self::Error>where
Self: TryInto<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,