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NamedColumnConstraint

Struct NamedColumnConstraint 

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pub struct NamedColumnConstraint<'bump> {
    pub name: Option<Name<'bump>>,
    pub constraint: ColumnConstraint<'bump>,
}
Expand description

Named column constraint

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§name: Option<Name<'bump>>

constraint name

§constraint: ColumnConstraint<'bump>

constraint

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impl<'bump> Debug for NamedColumnConstraint<'bump>

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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<'bump> Eq for NamedColumnConstraint<'bump>

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impl<'bump> PartialEq for NamedColumnConstraint<'bump>

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fn eq(&self, other: &NamedColumnConstraint<'bump>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'bump> StructuralPartialEq for NamedColumnConstraint<'bump>

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impl ToTokens for NamedColumnConstraint<'_>

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fn to_tokens<S: TokenStream>(&self, s: &mut S) -> Result<(), S::Error>

Send token(s) to the specified stream
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fn to_fmt(&self, f: &mut Formatter<'_>) -> Result

Format AST node

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impl<'bump> !RefUnwindSafe for NamedColumnConstraint<'bump>

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impl<'bump> !Send for NamedColumnConstraint<'bump>

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impl<'bump> !Sync for NamedColumnConstraint<'bump>

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impl<'bump> !UnwindSafe for NamedColumnConstraint<'bump>

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impl<'bump> Freeze for NamedColumnConstraint<'bump>

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impl<'bump> Unpin for NamedColumnConstraint<'bump>

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impl<'bump> UnsafeUnpin for NamedColumnConstraint<'bump>

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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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, 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.