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Checked

Struct Checked 

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#[repr(transparent)]
pub struct Checked<T>(pub T);
Expand description

Parameter marker: keep this parameter’s type-derived R-side checks, whatever the function, impl or crate default says. Transparent over T; see the module docs.

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§0: T

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impl<T> Checked<T>

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#[doc(hidden)]
pub const fn from_inner(value: T) -> Self

Wrap a converted argument. Generated code calls this after the conversion of the inner T; user code can build the marker directly (Checked(x)).

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pub fn into_inner(self) -> T

The wrapped value.

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impl<T: Clone> Clone for Checked<T>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Copy> Copy for Checked<T>

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impl<T: Debug> Debug for Checked<T>

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

Formats the value using the given formatter. Read more
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impl<T: Default> Default for Checked<T>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<T> Deref for Checked<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.
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impl<T> DerefMut for Checked<T>

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

Mutably dereferences the value.
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impl<T: Eq> Eq for Checked<T>

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#[doc(hidden)]
fn assert_fields_are_eq(&self)

🔬This is a nightly-only experimental API. (derive_eq_internals)
1.0.0 (const: unstable) · Source§

#[doc(hidden)]
fn assert_receiver_is_total_eq(&self)

👎Deprecated since 1.95.0:

implementation detail of #[derive(Eq)]

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impl<T: Hash> Hash for Checked<T>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T: Ord> Ord for Checked<T>

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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fn clamp_to<R>(self, range: R) -> Self
where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)
Restrict a value to a certain range. Read more
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impl<T: PartialEq> PartialEq for Checked<T>

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<T: PartialOrd> PartialOrd for Checked<T>

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fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 (const: unstable) · Source§

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 (const: unstable) · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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#[doc(hidden)]
fn __chaining_lt(&self, other: &Rhs) -> ControlFlow<bool>

🔬This is a nightly-only experimental API. (partial_ord_chaining_methods)
If self == other, returns ControlFlow::Continue(()). Otherwise, returns ControlFlow::Break(self < other). Read more
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#[doc(hidden)]
fn __chaining_le(&self, other: &Rhs) -> ControlFlow<bool>

🔬This is a nightly-only experimental API. (partial_ord_chaining_methods)
Same as __chaining_lt, but for <= instead of <.
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#[doc(hidden)]
fn __chaining_gt(&self, other: &Rhs) -> ControlFlow<bool>

🔬This is a nightly-only experimental API. (partial_ord_chaining_methods)
Same as __chaining_lt, but for > instead of <.
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#[doc(hidden)]
fn __chaining_ge(&self, other: &Rhs) -> ControlFlow<bool>

🔬This is a nightly-only experimental API. (partial_ord_chaining_methods)
Same as __chaining_lt, but for >= instead of <.
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impl<T: PartialEq> StructuralPartialEq for Checked<T>

Auto Trait Implementations§

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impl<T> Freeze for Checked<T>
where T: Freeze,

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impl<T> RefUnwindSafe for Checked<T>
where T: RefUnwindSafe,

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impl<T> Send for Checked<T>
where T: Send,

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impl<T> Sync for Checked<T>
where T: Sync,

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impl<T> Unpin for Checked<T>
where T: Unpin,

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impl<T> UnsafeUnpin for Checked<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for Checked<T>
where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> ConsumingFallible for T
where T: Clone,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> Printable for T
where T: Copy + Debug,

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impl<T> RClone for T
where T: Clone,

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fn r_clone(&self) -> T

Create a deep copy of this value.
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#[doc(hidden)]
unsafe extern "C" fn __RClone_r_clone_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RClone + IntoR,

Method shim for RClone::r_clone. Read more
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impl<T> RCopy for T
where T: Copy,

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fn copy(&self) -> T

Create a bitwise copy of this value. Read more
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fn is_copy(&self) -> bool

Check if this type implements Copy. Read more
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#[doc(hidden)]
unsafe extern "C" fn __RCopy_copy_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RCopy + IntoR,

Method shim for RCopy::copy. Read more
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#[doc(hidden)]
unsafe extern "C" fn __RCopy_is_copy_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RCopy + IntoR,

Method shim for RCopy::is_copy. Read more
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impl<T> RDebug for T
where T: Debug,

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fn debug_str(&self) -> String

Get a compact debug string representation.
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fn debug_str_pretty(&self) -> String

Get a pretty-printed debug string with indentation.
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#[doc(hidden)]
unsafe extern "C" fn __RDebug_debug_str_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RDebug,

Method shim for RDebug::debug_str. Read more
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#[doc(hidden)]
unsafe extern "C" fn __RDebug_debug_str_pretty_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RDebug,

Method shim for RDebug::debug_str_pretty. Read more
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impl<T> RDefault for T
where T: Default,

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fn r_default() -> T

Create a new instance with default values.
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impl<T> RHash for T
where T: Hash,

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fn r_hash(&self) -> String

Compute a hash of this value. Read more
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#[doc(hidden)]
unsafe extern "C" fn __RHash_r_hash_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RHash,

Method shim for RHash::r_hash. Read more
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impl<T> ROrd for T
where T: Ord,

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fn r_cmp(&self, other: &T) -> i32

Compare with another value. Read more
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#[doc(hidden)]
unsafe extern "C" fn __ROrd_r_cmp_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + ROrd + TypedExternal + Send + 'static,

Method shim for ROrd::r_cmp. Read more
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impl<T> RPartialOrd for T
where T: PartialOrd,

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fn r_partial_cmp(&self, other: &T) -> Option<i32>

Compare with another value, returning None if incomparable. Read more
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#[doc(hidden)]
unsafe extern "C" fn __RPartialOrd_r_partial_cmp_shim( data: *mut c_void, argc: i32, argv: *const SEXP, ) -> SEXP
where Self: Sized + RPartialOrd + TypedExternal + Send + 'static,

Method shim for RPartialOrd::r_partial_cmp. Read more
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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> SizeHint for T
where T: ?Sized,

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default fn lower_bound(&self) -> usize

🔬This is a nightly-only experimental API. (core_io_internals)
Returns a lower bound on the number of elements this container-like item contains. For example, an array [u8; 12] could return any value between 0 and 12 inclusively as a correct implementation. Read more
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default fn upper_bound(&self) -> Option<usize>

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an upper bound on the number of elements this container-like item contains if it can be determined, otherwise None. Read more
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final fn size_hint(&self) -> (usize, Option<usize>)

🔬This is a nightly-only experimental API. (core_io_internals)
Returns an estimate for the number of elements this container like type contains. Read more
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impl<T> SizedTypeProperties for T

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#[doc(hidden)]
const SIZE: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const ALIGNMENT: Alignment = _

🔬This is a nightly-only experimental API. (ptr_alignment_type)
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#[doc(hidden)]
const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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#[doc(hidden)]
const LAYOUT: Layout = _

🔬This is a nightly-only experimental API. (sized_type_properties)
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#[doc(hidden)]
const MAX_SLICE_LEN: usize = _

🔬This is a nightly-only experimental API. (sized_type_properties)
The largest safe length for a [Self]. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.