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Ast

nickel_lang_parser::ast

Struct Ast 

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pub struct Ast<'ast> {
    pub node: Node<'ast>,
    pub pos: TermPos,
}
Expand description

A Nickel AST. Contains a root node and a span.

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§node: Node<'ast>§pos: TermPos

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impl<'ast> Ast<'ast>

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pub fn with_pos(self, pos: TermPos) -> Self

Sets a new position for this AST node.

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impl<'ast> AttachToAst<'ast, Ast<'ast>> for Annotation<'ast>

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fn attach_to_ast(self, alloc: &'ast AstAlloc, ast: Ast<'ast>) -> Ast<'ast>

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impl<'ast> Clone for Ast<'ast>

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fn clone(&self) -> Ast<'ast>

Returns a duplicate 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 CloneTo for Ast<'_>

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type Data<'a> = Ast<'a>

This is always Self, be we need associated types to make Rust understand that Self is always parametric over the 'ast lifetime. We’re using GATs to emulate higher-kinded types.
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fn clone_to<'to>(data: Ast<'_>, dest: &'to AstAlloc) -> Ast<'to>

Clones owned data from the current allocator to dest.
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impl<'ast> Debug for Ast<'ast>

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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 Ast<'_>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Display for Ast<'_>

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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<'ast> From<Node<'ast>> for Ast<'ast>

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fn from(node: Node<'ast>) -> Self

Converts to this type from the input type.
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impl<'ast> PartialEq for Ast<'ast>

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fn eq(&self, other: &Ast<'ast>) -> 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> Pretty<'a, Allocator> for &Ast<'_>

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fn pretty(self, allocator: &'a Allocator) -> DocBuilder<'a, Allocator>

Converts self into a document
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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for Annotation<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for Ast<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Ast<'ast>, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Traverse through all Ast in the tree.

This also recurses into the terms that are contained in typ::Type subtrees.

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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, state: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for FieldDef<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for FieldPattern<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for LetBinding<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for MatchBranch<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for Pattern<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, scope: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Ast<'ast>> for Type<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Self, E>
where F: FnMut(Ast<'ast>) -> Result<Ast<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Ast<'ast>, &S) -> TraverseControl<S, U>, state: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl<'ast> TraverseAlloc<'ast, Type<'ast>> for Ast<'ast>

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fn traverse<F, E>( self, alloc: &'ast AstAlloc, f: &mut F, order: TraverseOrder, ) -> Result<Ast<'ast>, E>
where F: FnMut(Type<'ast>) -> Result<Type<'ast>, E>,

Same as Traverse::traverse, but takes an additional AST allocator.
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fn traverse_ref<S, U>( &'ast self, f: &mut dyn FnMut(&'ast Type<'ast>, &S) -> TraverseControl<S, U>, state: &S, ) -> Option<U>

Same as Traverse::traverse_ref, but takes an additional AST allocator. Read more
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fn find_map<S>(&'ast self, pred: impl FnMut(&'ast T) -> Option<S>) -> Option<S>
where T: Clone + 'ast,

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impl Allocable for Ast<'_>

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impl<'ast> Eq for Ast<'ast>

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impl<'ast> StructuralPartialEq for Ast<'ast>

Auto Trait Implementations§

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impl<'ast> Freeze for Ast<'ast>

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impl<'ast> RefUnwindSafe for Ast<'ast>

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impl<'ast> Send for Ast<'ast>

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impl<'ast> Sync for Ast<'ast>

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impl<'ast> Unpin for Ast<'ast>

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impl<'ast> UnsafeUnpin for Ast<'ast>

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impl<'ast> UnwindSafe for Ast<'ast>

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<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, U> ExactFrom<T> for U
where U: TryFrom<T>,

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fn exact_from(value: T) -> U

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impl<T, U> ExactInto<U> for T
where U: ExactFrom<T>,

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fn exact_into(self) -> U

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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<'ast, P> FullyErrorTolerantParser<'ast, Ast<'ast>> for P
where P: ErrorTolerantParser<'ast, Ast<'ast>>,

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fn parse_fully_tolerant<'input>( &self, alloc: &'ast AstAlloc, file_id: FileId, lexer: impl Iterator<Item = Result<(usize, Token<'input>, usize), LexicalError>>, full_span: RawSpan, ) -> (Ast<'ast>, ParseErrors)

Parse a value from a lexer with the given file_id in an error-tolerant way. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> OverflowingInto<U> for T
where U: OverflowingFrom<T>,

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fn overflowing_into(self) -> (U, bool)

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impl<T, U> RoundingInto<U> for T
where U: RoundingFrom<T>,

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fn rounding_into(self, rm: RoundingMode) -> (U, Ordering)

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impl<T, U> SaturatingInto<U> for T
where U: SaturatingFrom<T>,

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fn saturating_into(self) -> U

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impl<T> ToDebugString for T
where T: Debug,

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fn to_debug_string(&self) -> String

Returns the String produced by Ts Debug implementation.

§Examples
use malachite_base::strings::ToDebugString;

assert_eq!([1, 2, 3].to_debug_string(), "[1, 2, 3]");
assert_eq!(
    [vec![2, 3], vec![], vec![4]].to_debug_string(),
    "[[2, 3], [], [4]]"
);
assert_eq!(Some(5).to_debug_string(), "Some(5)");
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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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryConvert<'_, T> for U
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_convert( _: &AstAlloc, from: T, ) -> Result<U, <U as TryConvert<'_, T>>::Error>

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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, U> WrappingInto<U> for T
where U: WrappingFrom<T>,

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fn wrapping_into(self) -> U