Struct DatasetsColumnUsageVisitor 

pub struct DatasetsColumnUsageVisitor<'a> {
    pub vl_selection_fields: &'a VlSelectionFields,
    pub datum_var: &'a Option<ScopedVariable>,
    pub usage_scope: &'a [u32],
    pub task_scope: &'a TaskScope,
    pub dataset_column_usage: DatasetsColumnUsage,
}

Visitor to collect the columns

Fields

vl_selection_fields: &'a VlSelectionFields

datum_var: &'a Option<ScopedVariable>

usage_scope: &'a [u32]

task_scope: &'a TaskScope

dataset_column_usage: DatasetsColumnUsage

Implementations

impl<'a> DatasetsColumnUsageVisitor<'a>

pub fn new( datum_var: &'a Option<ScopedVariable>, usage_scope: &'a [u32], task_scope: &'a TaskScope, vl_selection_fields: &'a VlSelectionFields, ) -> Self

Trait Implementations

impl<'a> Clone for DatasetsColumnUsageVisitor<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl ExpressionVisitor for DatasetsColumnUsageVisitor<'_>

fn visit_member(&mut self, node: &MemberExpression)

fn visit_call(&mut self, node: &CallExpression)

fn visit_expression(&mut self, _expression: &Expression)

fn visit_identifier(&mut self, _node: &Identifier)

fn visit_called_identifier(&mut self, _node: &Identifier, _args: &[Expression])

fn visit_literal(&mut self, _node: &Literal)

fn visit_binary(&mut self, _node: &BinaryExpression)

fn visit_logical(&mut self, _node: &LogicalExpression)

fn visit_unary(&mut self, _node: &UnaryExpression)

fn visit_conditional(&mut self, _node: &ConditionalExpression)

fn visit_array(&mut self, _node: &ArrayExpression)

fn visit_object(&mut self, _node: &ObjectExpression)

fn visit_object_key(&mut self, _node: &Key)

fn visit_static_member_identifier(&mut self, _node: &Identifier)