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DefElem

Struct DefElem 

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pub struct DefElem {
    pub defnamespace: Option<Str>,
    pub defname: Option<Str>,
    pub arg: Option<Node>,
    pub defaction: DefElemAction,
    pub location: i32,
}
Expand description

The node DefElem.

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§defnamespace: Option<Str>§defname: Option<Str>§arg: Option<Node>§defaction: DefElemAction§location: i32

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impl Clone for DefElem

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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 Debug for DefElem

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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 DefElem

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fn default() -> Self

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

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

The two values are equal, without a look at the locations.
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impl From<DefElem> for Node

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fn from(node: DefElem) -> Node

Converts to this type from the input type.
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impl NodeType for DefElem

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fn into_node(self: Box<Self>) -> Node

The node of this type as a Node.
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fn from_node(node: Node) -> Result<Box<Self>, Node>

The node as this type, or the node back when it has another type.
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fn peek(node: &Node) -> Option<&Self>

The node as this type, or None.
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fn peek_mut(node: &mut Node) -> Option<&mut Self>

The node as this type, or None.
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impl Out for DefElem

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fn out(&self, s: &mut String)

Writes the name of the node type and its fields, without the braces.
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fn fields(&self, s: &mut String, prefix: &str)

Writes the fields only, each name with prefix before it. A node type that is the first field of another, as CreateStmt is in CreateForeignTableStmt, writes its fields so.
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impl PartialEq for DefElem

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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 StructuralPartialEq for DefElem

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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 = !

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.