[−][src]Enum abi_stable::std_types::cow::RCow
Ffi-safe equivalent of ::std::borrow::Cow.
The most common examples of this type are:
-
RCow<',str>: contains an RStr<'> or an RString.
-
RCow<',[T]>: contains an RSlice<',T> or an RVec
. -
RCow<'_,T>: contains a
&T
or aT
.
Variants
Borrowed(<B as BorrowOwned<'a>>::RBorrowed)
Owned(<B as BorrowOwned<'a>>::ROwned)
Methods
impl<'a, B: ?Sized> RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
pub fn to_mut(&mut self) -> &mut B::ROwned
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Get a mutable reference to the owner form of RCow, converting to the owned form if it is currently the borrowed form.
pub fn into_owned(self) -> B::ROwned
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Unwraps into the owned owner form of RCow, converting to the owned form if it is currently the borrowed form.
pub fn borrowed<'b: 'a>(&'b self) -> <B as BorrowOwned<'b>>::RBorrowed
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Trait Implementations
impl<'a, B: ?Sized> IntoReprRust for RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
impl<'a, B: ?Sized> SharedStableAbi for RCow<'a, B> where
B: BorrowOwned<'a>,
<B as BorrowOwned<'a>>::RBorrowed: StableAbi,
<B as BorrowOwned<'a>>::ROwned: StableAbi,
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B: BorrowOwned<'a>,
<B as BorrowOwned<'a>>::RBorrowed: StableAbi,
<B as BorrowOwned<'a>>::ROwned: StableAbi,
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
type StaticEquivalent = RCow<'static, ()>
A version of the type which does not borrow anything, used to create a UTypeId for doing layout checking. Read more
const S_LAYOUT: &'static TypeLayout
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const S_ABI_INFO: &'static AbiInfoWrapper
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The layout of the type,derived from Self::LAYOUT and associated types.
impl<'a, B: ?Sized> Into<Cow<'a, B>> for RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
impl<'a, B: ?Sized> From<Cow<'a, B>> for RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
impl<'a> From<&'a str> for RCow<'a, str>
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impl<'a> From<RStr<'a>> for RCow<'a, str>
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impl<'a> From<String> for RCow<'a, str>
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impl<'a> From<&'a String> for RCow<'a, str>
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impl<'a> From<RString> for RCow<'a, str>
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impl<'a> From<&'a RString> for RCow<'a, str>
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impl<'a, T> From<&'a [T]> for RCow<'a, [T]> where
T: Clone,
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T: Clone,
impl<'a, T> From<RSlice<'a, T>> for RCow<'a, [T]> where
T: Clone,
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T: Clone,
impl<'a, T> From<Vec<T>> for RCow<'a, [T]> where
T: Clone,
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T: Clone,
impl<'a, T> From<RVec<T>> for RCow<'a, [T]> where
T: Clone,
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T: Clone,
impl<'a, B: ?Sized> Ord for RCow<'a, B> where
B: Ord,
B: BorrowOwned<'a>,
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B: Ord,
B: BorrowOwned<'a>,
fn cmp(&self, other: &Self) -> Ordering
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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
fn clamp(self, min: Self, max: Self) -> Self
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clamp
)Restrict a value to a certain interval. Read more
impl<'a, B: ?Sized> Copy for RCow<'a, B> where
B: BorrowOwned<'a>,
B::ROwned: Copy,
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B: BorrowOwned<'a>,
B::ROwned: Copy,
impl<'a, B: ?Sized> Clone for RCow<'a, B> where
B: BorrowOwned<'a>,
B::ROwned: Clone,
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B: BorrowOwned<'a>,
B::ROwned: Clone,
fn clone(&self) -> Self
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl<'a, B: ?Sized> PartialEq<RCow<'a, B>> for RCow<'a, B> where
B: PartialEq,
B: BorrowOwned<'a>,
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B: PartialEq,
B: BorrowOwned<'a>,
fn eq(&self, other: &Self) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests for !=
.
impl<'a, B: ?Sized> PartialOrd<RCow<'a, B>> for RCow<'a, B> where
B: PartialOrd,
B: BorrowOwned<'a>,
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B: PartialOrd,
B: BorrowOwned<'a>,
fn partial_cmp(&self, other: &Self) -> Option<Ordering>
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#[must_use]
fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than (for self
and other
) and is used by the <
operator. Read more
#[must_use]
fn le(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
#[must_use]
fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
#[must_use]
fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<'a, B: ?Sized> Eq for RCow<'a, B> where
B: Eq,
B: BorrowOwned<'a>,
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B: Eq,
B: BorrowOwned<'a>,
impl<'a, B: ?Sized> AsRef<B> for RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
impl<'a, B: ?Sized> Hash for RCow<'a, B> where
B: Hash,
B: BorrowOwned<'a>,
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B: Hash,
B: BorrowOwned<'a>,
fn hash<H>(&self, state: &mut H) where
H: Hasher,
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H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<'a, B: ?Sized> Debug for RCow<'a, B> where
B: Debug,
B: BorrowOwned<'a>,
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B: Debug,
B: BorrowOwned<'a>,
impl<'a, B: ?Sized> Display for RCow<'a, B> where
B: BorrowOwned<'a>,
B: Display,
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B: BorrowOwned<'a>,
B: Display,
impl<'a, B: ?Sized> Deref for RCow<'a, B> where
B: BorrowOwned<'a>,
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B: BorrowOwned<'a>,
impl<'de, 'a, T> Deserialize<'de> for RCow<'a, [T]> where
T: Clone + Deserialize<'de>,
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T: Clone + Deserialize<'de>,
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,
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D: Deserializer<'de>,
impl<'de> Deserialize<'de> for RCow<'de, str>
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,
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D: Deserializer<'de>,
impl<'de, 'a, T> Deserialize<'de> for RCow<'a, T> where
T: Clone + Deserialize<'de>,
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T: Clone + Deserialize<'de>,
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,
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D: Deserializer<'de>,
impl<'a, B: ?Sized> Serialize for RCow<'a, B> where
B: BorrowOwned<'a>,
B: Serialize,
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B: BorrowOwned<'a>,
B: Serialize,
Auto Trait Implementations
impl<'a, B: ?Sized> Send for RCow<'a, B> where
<B as BorrowOwned<'a>>::RBorrowed: Send,
<B as BorrowOwned<'a>>::ROwned: Send,
<B as BorrowOwned<'a>>::RBorrowed: Send,
<B as BorrowOwned<'a>>::ROwned: Send,
impl<'a, B: ?Sized> Sync for RCow<'a, B> where
<B as BorrowOwned<'a>>::RBorrowed: Sync,
<B as BorrowOwned<'a>>::ROwned: Sync,
<B as BorrowOwned<'a>>::RBorrowed: Sync,
<B as BorrowOwned<'a>>::ROwned: Sync,
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_INFO: &'static AbiInfoWrapper
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impl<T> MakeGetAbiInfo<StableAbi_Bound> for T where
T: StableAbi,
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T: StableAbi,
const CONST: GetAbiInfo
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impl<T> MakeGetAbiInfo<SharedStableAbi_Bound> for T where
T: SharedStableAbi,
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T: SharedStableAbi,
const CONST: GetAbiInfo
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impl<T> MakeGetAbiInfo<UnsafeOpaqueField_Bound> for T
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const CONST: GetAbiInfo
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impl<T> GetUTID<True> for T where
T: 'static,
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T: 'static,
impl<T> GetUTID<False> for T
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impl<'a, T> BorrowOwned<'a> for T where
T: 'a + Clone,
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T: 'a + Clone,
type ROwned = T
type RBorrowed = &'a T
fn r_borrow(
&'a <T as BorrowOwned<'a>>::ROwned
) -> <T as BorrowOwned<'a>>::RBorrowed
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&'a <T as BorrowOwned<'a>>::ROwned
) -> <T as BorrowOwned<'a>>::RBorrowed
fn r_to_owned(
<T as BorrowOwned<'a>>::RBorrowed
) -> <T as BorrowOwned<'a>>::ROwned
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<T as BorrowOwned<'a>>::RBorrowed
) -> <T as BorrowOwned<'a>>::ROwned
fn deref_borrowed(&<T as BorrowOwned<'a>>::RBorrowed) -> &T
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fn deref_owned(&<T as BorrowOwned<'a>>::ROwned) -> &T
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fn from_cow_borrow(&'a T) -> <T as BorrowOwned<'a>>::RBorrowed
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fn from_cow_owned(<T as ToOwned>::Owned) -> <T as BorrowOwned<'a>>::ROwned
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fn into_cow_borrow(<T as BorrowOwned<'a>>::RBorrowed) -> &'a T
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fn into_cow_owned(<T as BorrowOwned<'a>>::ROwned) -> <T as ToOwned>::Owned
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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> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut 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,
Converts a value back to the original type.
fn into_type_ref(&self) -> &Self::Type
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Converts a reference back to the original type.
fn into_type_mut(&mut self) -> &mut Self::Type
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Converts a mutable reference back to the original type.
fn into_type_box(self: Box<Self>) -> Box<Self::Type>
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Converts a box back to the original type.
fn into_type_arc(this: Arc<Self>) -> Arc<Self::Type>
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Converts an Arc back to the original type.
fn into_type_rc(this: Rc<Self>) -> Rc<Self::Type>
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Converts an Rc back to the original type.
fn from_type_val(this: Self::Type) -> Self where
Self::Type: Sized,
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Self::Type: Sized,
Converts a value back to the original type.
fn from_type_ref(this: &Self::Type) -> &Self
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Converts a reference back to the original type.
fn from_type_mut(this: &mut Self::Type) -> &mut Self
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Converts a mutable reference back to the original type.
fn from_type_box(this: Box<Self::Type>) -> Box<Self>
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Converts a box back to the original type.
fn from_type_arc(this: Arc<Self::Type>) -> Arc<Self>
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Converts an Arc back to the original type.
fn from_type_rc(this: Rc<Self::Type>) -> Rc<Self>
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Converts an Rc back to the original type.
impl<T> SelfOps for T where
T: ?Sized,
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T: ?Sized,
const T: PhantomData<fn() -> Self>
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Represents Self by using a VariantPhantom, using the syntax Type::T
to pass it in methods with _:VariantPhantom<T>
parameters. Read more
const T_D: PhantomData<Self>
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Represents Self by using a VariantDropPhantom,for specialized cases. Read more
fn assert_ty(self, _other: PhantomData<fn() -> Self>) -> Self
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Asserts that other
is the same type as self
.
fn assert_ty_ref(&self, _other: PhantomData<fn() -> Self>) -> &Self
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Asserts that other
is the same type as self
.
fn assert_ty_mut(&mut self, _other: PhantomData<fn() -> Self>) -> &mut Self
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Asserts that other
is the same type as self
.
fn ty_(&self) -> PhantomData<fn() -> Self>
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Equivalent to SelfOps::T,as a method. Read more
fn ty_d(&self) -> PhantomData<Self>
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Equivalent to [Self::ty_],for specialized cases. Read more
fn ty_inv(&self) -> PhantomData<fn(Self) -> Self>
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Equivalent to [Self::ty_] with an invariant type.
fn ty_inv_ref(&self) -> PhantomData<Cell<&Self>>
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Equivalent to [Self::ty_] with an invariant lifetime.
fn eq_id(&self, other: &Self) -> bool
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Identity comparison to another value of the same type. Read more
fn piped<F, U>(self, f: F) -> U where
F: FnOnce(Self) -> U,
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F: FnOnce(Self) -> U,
Emulates the pipeline operator,allowing method syntax in more places. Read more
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,
The same as piped
except that the function takes &Self
Useful for functions that take &Self
instead of Self
. Read more
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,
The same as piped
except that the function takes &mut Self
. Useful for functions that take &mut Self
instead of Self
. Read more
fn mutated<F>(self, f: F) -> Self where
F: FnOnce(&mut Self),
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F: FnOnce(&mut Self),
Mutates self using a closure taking self by mutable reference, passing it along the method chain. Read more
fn observe<F>(self, f: F) -> Self where
F: FnOnce(&Self),
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F: FnOnce(&Self),
Observes the value of self passing it along unmodified. Useful in a long method chain. Read more
fn into_<T>(self, PhantomData<fn() -> T>) -> T where
Self: Into<T>,
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Self: Into<T>,
Performs a conversion using Into. Read more
fn as_ref_<T>(&self) -> &T where
Self: AsRef<T>,
T: ?Sized,
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Self: AsRef<T>,
T: ?Sized,
Performs a reference to reference conversion using AsRef, using the turbofish .as_ref_::<_>()
syntax. Read more
fn as_mut_<T>(&mut self) -> &mut T where
Self: AsMut<T>,
T: ?Sized,
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Self: AsMut<T>,
T: ?Sized,
Performs a mutable reference to mutable reference conversion using AsMut, using the turbofish .as_mut_::<_>()
syntax. Read more
fn drop_(self)
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Drops self
using method notation. Alternative to std::mem::drop
. Read more
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 error type returned when the conversion fails.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> DeserializeOwned for T where
T: Deserialize<'de>,
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T: Deserialize<'de>,