[−][src]Struct cranelift_entity::packed_option::PackedOption
Packed representation of Option<T>
.
Methods
impl<T: ReservedValue> PackedOption<T>
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impl<T: ReservedValue> PackedOption<T>
pub fn is_none(&self) -> bool | [src] |
Returns true
if the packed option is a None
value.
pub fn is_some(&self) -> bool | [src] |
Returns true
if the packed option is a Some
value.
pub fn expand(self) -> Option<T> | [src] |
Expand the packed option into a normal Option
.
pub fn map<U, F>(self, f: F) -> Option<U> where | [src] |
Maps a PackedOption<T>
to Option<U>
by applying a function to a contained value.
pub fn unwrap(self) -> T | [src] |
Unwrap a packed Some
value or panic.
pub fn expect(self, msg: &str) -> T | [src] |
Unwrap a packed Some
value or panic.
pub fn take(&mut self) -> Option<T> | [src] |
Takes the value out of the packed option, leaving a None
in its place.
Trait Implementations
impl<T: Copy + ReservedValue> Copy for PackedOption<T>
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impl<T: Copy + ReservedValue> Copy for PackedOption<T>
impl<T> Debug for PackedOption<T> where
T: ReservedValue + Debug,
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impl<T> Debug for PackedOption<T> where
T: ReservedValue + Debug,
impl<T: PartialEq + ReservedValue> PartialEq<PackedOption<T>> for PackedOption<T>
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impl<T: PartialEq + ReservedValue> PartialEq<PackedOption<T>> for PackedOption<T>
fn eq(&self, other: &PackedOption<T>) -> bool | [src] |
fn ne(&self, other: &PackedOption<T>) -> bool | [src] |
impl<T: Eq + ReservedValue> Eq for PackedOption<T>
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impl<T: Eq + ReservedValue> Eq for PackedOption<T>
impl<T: Ord + ReservedValue> Ord for PackedOption<T>
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impl<T: Ord + ReservedValue> Ord for PackedOption<T>
fn cmp(&self, other: &PackedOption<T>) -> Ordering | [src] |
fn max(self, other: Self) -> Self | 1.21.0 [src] |
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self | 1.21.0 [src] |
Compares and returns the minimum of two values. Read more
impl<T: PartialOrd + ReservedValue> PartialOrd<PackedOption<T>> for PackedOption<T>
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impl<T: PartialOrd + ReservedValue> PartialOrd<PackedOption<T>> for PackedOption<T>
fn partial_cmp(&self, other: &PackedOption<T>) -> Option<Ordering> | [src] |
fn lt(&self, other: &PackedOption<T>) -> bool | [src] |
fn le(&self, other: &PackedOption<T>) -> bool | [src] |
fn gt(&self, other: &PackedOption<T>) -> bool | [src] |
fn ge(&self, other: &PackedOption<T>) -> bool | [src] |
impl<T: Hash + ReservedValue> Hash for PackedOption<T>
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impl<T: Hash + ReservedValue> Hash for PackedOption<T>
fn hash<__HT: Hasher>(&self, state: &mut __HT) | [src] |
fn hash_slice<H>(data: &[Self], state: &mut H) where | 1.3.0 [src] |
Feeds a slice of this type into the given [Hasher
]. Read more
impl<T: ReservedValue> From<T> for PackedOption<T>
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impl<T: ReservedValue> From<T> for PackedOption<T>
impl<T: ReservedValue> From<Option<T>> for PackedOption<T>
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impl<T: ReservedValue> From<Option<T>> for PackedOption<T>
impl<T: Clone + ReservedValue> Clone for PackedOption<T>
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impl<T: Clone + ReservedValue> Clone for PackedOption<T>
fn clone(&self) -> PackedOption<T> | [src] |
fn clone_from(&mut self, source: &Self) | 1.0.0 [src] |
Performs copy-assignment from source
. Read more
impl<T: ReservedValue> Default for PackedOption<T>
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impl<T: ReservedValue> Default for PackedOption<T>
impl<T: ReservedValue> Into<Option<T>> for PackedOption<T>
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impl<T: ReservedValue> Into<Option<T>> for PackedOption<T>
Auto Trait Implementations
impl<T> Send for PackedOption<T> where
T: Send,
impl<T> Send for PackedOption<T> where
T: Send,
impl<T> Sync for PackedOption<T> where
T: Sync,
impl<T> Sync for PackedOption<T> where
T: Sync,
Blanket Implementations
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error> | [src] |
impl<T> From for T
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impl<T> From for T
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error> | [src] |
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T | [src] |
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId | [src] |
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,