Enum ReturnPref

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pub(crate) enum ReturnPref {
    Auto,
    List,
    ExternalPtr,
    Native,
}

Expand description

Preferred return-conversion path for IntoR.

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Auto

Use the default IntoR implementation for the type.

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List

Force list conversion via the AsList wrapper.

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ExternalPtr

Force external pointer conversion via the AsExternalPtr wrapper.

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Native

Force native vector/scalar conversion via the AsRNative wrapper.

Trait Implementations§

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impl Clone for ReturnPref

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fn clone(&self) -> ReturnPref

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 Default for ReturnPref

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fn default() -> ReturnPref

Returns the “default value” for a type. Read more

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impl TrivialClone for ReturnPref

Auto Trait Implementations§

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impl RefUnwindSafe for ReturnPref

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impl UnsafeUnpin for ReturnPref

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impl UnwindSafe for ReturnPref

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 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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