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TypeOpsIndirect

Struct TypeOpsIndirect 

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#[repr(C)]
pub struct TypeOpsIndirect { pub drop_in_place: unsafe fn(OxPtrMut), pub default_in_place: Option<unsafe fn(OxPtrUninit) -> bool>, pub clone_into: Option<unsafe fn(src: OxPtrConst, dst: OxPtrMut)>, pub is_truthy: Option<TruthyFn>, }
Expand description

Type-specific operations for generic containers (uses wide pointers with shape).

Used for Vec<T>, Option<T>, Arc<T>, etc.

These operations must be monomorphized per-type because they need to know the concrete type T at compile time.

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§drop_in_place: unsafe fn(OxPtrMut)

Drop the value in place.

§Safety

The pointer must point to a valid, initialized value of the correct type.

§default_in_place: Option<unsafe fn(OxPtrUninit) -> bool>

Construct a default value in place.

The outer Option is None if the type doesn’t implement Default. The function returns true on success, false if initialization failed (e.g., for arrays where an element type doesn’t support Default).

§Safety

The pointer must point to uninitialized memory of sufficient size and alignment.

§clone_into: Option<unsafe fn(src: OxPtrConst, dst: OxPtrMut)>

Clone a value into uninitialized memory.

Returns None if the type doesn’t implement Clone.

§Safety

  • src must point to a valid, initialized value
  • dst must point to uninitialized memory of sufficient size and alignment
§is_truthy: Option<TruthyFn>

Truthiness predicate for this type. When absent, the type is never considered truthy.

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impl Clone for TypeOpsIndirect

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fn clone(&self) -> TypeOpsIndirect

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TypeOpsIndirect

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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 From<&'static TypeOpsIndirect> for TypeOps

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fn from(ops: &'static TypeOpsIndirect) -> Self

Converts to this type from the input type.
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impl Copy for TypeOpsIndirect

Auto Trait Implementations§

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> 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> 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 = Infallible

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

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.