Struct Variable

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pub struct Variable<'a> {
    pub name: &'a str,
}
Expand description

AST Node of a variable identifier value.

These are identifiers prefixed with a $ sign, typically in variable definitions.

Reference

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§name: &'a str

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impl<'a> Clone for Variable<'a>

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fn clone(&self) -> Variable<'a>

Returns a copy 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<'a> Debug for Variable<'a>

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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<'a> From<&'a str> for Variable<'a>

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fn from(name: &'a str) -> Variable<'a>

Converts to this type from the input type.
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impl<'a> From<Variable<'a>> for Value<'a>

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fn from(x: Variable<'a>) -> Self

Converts to this type from the input type.
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impl<'a> Hash for Variable<'a>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> PartialEq for Variable<'a>

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fn eq(&self, other: &Variable<'a>) -> 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<'a> PrintNode for Variable<'a>

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fn write_to_buffer(&self, _level: usize, buffer: &mut dyn Write) -> Result

Write an AST node to a buffer implementing the Write trait. Read more
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fn print(&self) -> String

Print an AST Node to source text as a String allocated on the heap. Read more
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impl<'a> ValueFromNode<'a> for Variable<'a>

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fn to_json(self, variables: Option<&Variables<'a>>) -> JSValue

Convert current Variable Node to a serde_json::Value with given Variables.

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impl<'a> Copy for Variable<'a>

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impl<'a> Eq for Variable<'a>

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impl<'a> StructuralPartialEq for Variable<'a>

Auto Trait Implementations§

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impl<'a> Freeze for Variable<'a>

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impl<'a> RefUnwindSafe for Variable<'a>

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impl<'a> Send for Variable<'a>

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impl<'a> Sync for Variable<'a>

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impl<'a> Unpin for Variable<'a>

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impl<'a> UnwindSafe for Variable<'a>

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<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<'a, T> FoldNode<'a> for T
where T: FoldNode<'a>,

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fn fold<'b, F: Folder<'a>>( &'a self, ctx: &'a ASTContext, folder: &'b mut F, ) -> Result<&'a Self>

Visit the GraphQL AST node tree recursively in depth-first order and create a transformed copy of it using the given folder. The folder must implement the Folder trait. 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<'a, T> ParseNode<'a> for T
where T: ParseNode<'a>,

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fn parse<T: ToString>(ctx: &'a ASTContext, source: T) -> Result<&'a Self>

Parse an input source text into the implementor’s AST Node structure and allocate the resulting AST into the current AST Context’s arena.
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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.