Struct AexprNode

pub struct AexprNode { /* private fields */ }

Implementations

impl AexprNode

pub fn new(node: Node) -> Self

pub fn node(&self) -> Node

Get the Node.

pub fn to_aexpr<'a>(&self, arena: &'a Arena<AExpr>) -> &'a AExpr

pub fn to_expr(&self, arena: &Arena<AExpr>) -> Expr

pub fn to_field( &self, schema: &Schema, arena: &Arena<AExpr>, ) -> PolarsResult<Field>

pub fn assign(&mut self, ae: AExpr, arena: &mut Arena<AExpr>)

Trait Implementations

impl Clone for AexprNode

fn clone(&self) -> AexprNode

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AexprNode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl TreeWalker for AexprNode

type Arena = Arena<AExpr>

fn apply_children<F: FnMut(&Self, &Self::Arena) -> PolarsResult<VisitRecursion>>( &self, op: &mut F, arena: &Self::Arena, ) -> PolarsResult<VisitRecursion>

fn map_children<F: FnMut(Self, &mut Self::Arena) -> PolarsResult<Self>>( self, op: &mut F, arena: &mut Self::Arena, ) -> PolarsResult<Self>

fn visit<V: Visitor<Node = Self, Arena = Self::Arena>>( &self, visitor: &mut V, arena: &Self::Arena, ) -> PolarsResult<VisitRecursion>

Walks all nodes in depth-first-order.

fn rewrite<R: RewritingVisitor<Node = Self, Arena = Self::Arena>>( self, rewriter: &mut R, arena: &mut Self::Arena, ) -> PolarsResult<Self>

impl Copy for AexprNode