[−][src]Struct abi_stable::std_types::map::RVacantEntry
A handle into a vacant entry in a map,always a variant of an REntry.
Methods
impl<'a, K, V> RVacantEntry<'a, K, V>
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pub fn key(&self) -> &K
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Gets the key of the entry.
Example
use abi_stable::std_types::map::{REntry,RHashMap}; let mut map=RHashMap::<u32,u32>::new(); match map.entry(1337) { REntry::Occupied(_)=>{ unreachable!(); } REntry::Vacant(entry)=>{ assert_eq!(entry.key(),&1337); } } assert_eq!( map.get(&1337), None );
pub fn into_key(self) -> K
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Gets back the key that was passed to RHashMap::entry.
Example
use abi_stable::std_types::map::{REntry,RHashMap}; let mut map=RHashMap::<String,u32>::new(); match map.entry("lol".into()) { REntry::Occupied(_)=>{ unreachable!(); } REntry::Vacant(entry)=>{ assert_eq!(entry.into_key(),"lol".to_string()); } } assert_eq!( map.get("lol"), None );
pub fn insert(self, value: V) -> &'a mut V
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Sets the value of the entry,returning a mutable reference to it.
Example
use abi_stable::std_types::map::{REntry,RHashMap}; let mut map=RHashMap::<String,u32>::new(); match map.entry("lol".into()) { REntry::Occupied(_)=>{ unreachable!(); } REntry::Vacant(entry)=>{ assert_eq!(entry.insert(67),&mut 67); } } assert_eq!( map.get("lol"), Some(&67) );
Trait Implementations
impl<'a, K, V> GetStaticEquivalent_ for RVacantEntry<'a, K, V> where
K: __StableAbi,
V: __StableAbi,
K: 'a,
V: 'a,
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K: __StableAbi,
V: __StableAbi,
K: 'a,
V: 'a,
type StaticEquivalent = _static_RVacantEntry<'static, __GetStaticEquivalent<K>, __GetStaticEquivalent<V>>
impl<'a, K, V> SharedStableAbi for RVacantEntry<'a, K, V> where
K: __StableAbi,
V: __StableAbi,
K: 'a,
V: 'a,
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K: __StableAbi,
V: __StableAbi,
K: 'a,
V: 'a,
type IsNonZeroType = False
Whether this type has a single invalid bit-pattern. Read more
type Kind = __ValueKind
The kind of abi stability of this type,there are 2: Read more
const S_LAYOUT: &'static TypeLayout
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const S_ABI_CONSTS: AbiConsts
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impl<'a, K, V> Drop for RVacantEntry<'a, K, V>
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impl<'_, K, V> Debug for RVacantEntry<'_, K, V> where
K: Debug,
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K: Debug,
Auto Trait Implementations
impl<'a, K, V> Send for RVacantEntry<'a, K, V> where
K: Send,
V: Send,
K: Send,
V: Send,
impl<'a, K, V> Sync for RVacantEntry<'a, K, V> where
K: Sync,
V: Sync,
K: Sync,
V: Sync,
impl<'a, K, V> Unpin for RVacantEntry<'a, K, V> where
K: Unpin,
K: Unpin,
impl<'a, K, V> !UnwindSafe for RVacantEntry<'a, K, V>
impl<'a, K, V> RefUnwindSafe for RVacantEntry<'a, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,
K: RefUnwindSafe,
V: RefUnwindSafe,
Blanket Implementations
impl<This> StableAbi for This where
This: SharedStableAbi<Kind = ValueKind>,
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This: SharedStableAbi<Kind = ValueKind>,
const LAYOUT: &'static TypeLayout
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const ABI_CONSTS: AbiConsts
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impl<This> TransmuteElement for This where
This: ?Sized,
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This: ?Sized,
unsafe fn transmute_element<T>(self) -> Self::TransmutedPtr where
Self: CanTransmuteElement<T>,
Self::Target: Sized,
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Self: CanTransmuteElement<T>,
Self::Target: Sized,
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> TypeIdentity for T where
T: ?Sized,
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T: ?Sized,
type Type = T
The same type as Self. Read more
fn into_type_val(self) -> Self::Type where
Self::Type: Sized,
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Self::Type: Sized,
fn into_type_ref(&self) -> &Self::Type
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fn into_type_mut(&mut self) -> &mut Self::Type
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fn into_type_box(self: Box<Self>) -> Box<Self::Type>
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fn into_type_arc(this: Arc<Self>) -> Arc<Self::Type>
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fn into_type_rc(this: Rc<Self>) -> Rc<Self::Type>
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fn from_type_val(this: Self::Type) -> Self where
Self::Type: Sized,
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Self::Type: Sized,
fn from_type_ref(this: &Self::Type) -> &Self
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fn from_type_mut(this: &mut Self::Type) -> &mut Self
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fn from_type_box(this: Box<Self::Type>) -> Box<Self>
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fn from_type_arc(this: Arc<Self::Type>) -> Arc<Self>
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fn from_type_rc(this: Rc<Self::Type>) -> Rc<Self>
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impl<T> SelfOps for T where
T: ?Sized,
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T: ?Sized,
const T: PhantomData<fn() -> Self>
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const T_D: PhantomData<Self>
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fn assert_ty(self, _other: PhantomData<fn() -> Self>) -> Self
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fn assert_ty_ref(&self, _other: PhantomData<fn() -> Self>) -> &Self
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fn assert_ty_mut(&mut self, _other: PhantomData<fn() -> Self>) -> &mut Self
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fn ty_(&self) -> PhantomData<fn() -> Self>
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fn ty_d(&self) -> PhantomData<Self>
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fn ty_inv(&self) -> PhantomData<fn(Self) -> Self>
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fn ty_inv_ref(&self) -> PhantomData<Cell<&Self>>
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fn eq_id(&self, other: &Self) -> bool
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fn piped<F, U>(self, f: F) -> U where
F: FnOnce(Self) -> U,
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F: FnOnce(Self) -> U,
fn piped_ref<'a, F, U>(&'a self, f: F) -> U where
F: FnOnce(&'a Self) -> U,
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F: FnOnce(&'a Self) -> U,
fn piped_mut<'a, F, U>(&'a mut self, f: F) -> U where
F: FnOnce(&'a mut Self) -> U,
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F: FnOnce(&'a mut Self) -> U,
fn mutated<F>(self, f: F) -> Self where
F: FnOnce(&mut Self),
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F: FnOnce(&mut Self),
fn observe<F>(self, f: F) -> Self where
F: FnOnce(&Self),
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F: FnOnce(&Self),
fn into_<T>(self, PhantomData<fn() -> T>) -> T where
Self: Into<T>,
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Self: Into<T>,
fn as_ref_<T>(&self) -> &T where
Self: AsRef<T>,
T: ?Sized,
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Self: AsRef<T>,
T: ?Sized,
fn as_mut_<T>(&mut self) -> &mut T where
Self: AsMut<T>,
T: ?Sized,
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Self: AsMut<T>,
T: ?Sized,
fn drop_(self)
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,