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Nil

drizzle_core::traits

Struct Nil 

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pub struct Nil;
Expand description

Empty type-level set/list.

Trait Implementations§

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impl Clone for Nil

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fn clone(&self) -> Nil

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<Rhs> Concat<Rhs> for Nil
where Rhs: TypeSet,

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type Output = Rhs

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impl Copy for Nil

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impl Debug for Nil

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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 Default for Nil

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fn default() -> Nil

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

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impl<S> ValidateTableSetForeignKeys<S> for Nil

Auto Trait Implementations§

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impl Freeze for Nil

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impl RefUnwindSafe for Nil

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impl Send for Nil

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impl Sync for Nil

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impl Unpin for Nil

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impl UnsafeUnpin for Nil

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impl UnwindSafe for Nil

Blanket Implementations§

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impl<T> AliasExt for T

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fn alias(self, name: &'static str) -> AliasedExpr<Self>

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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<Mk> MarkerAggValidFor<()> for Mk

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impl<Scope> ScopeSatisfies<Nil, ()> for Scope

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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.
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impl<T> TypeEq<T> for T