package walk

import "cuelang.org/go/internal/core/walk"

walk provides functions for visiting the nodes of an ADT tree.

Index ¶

• func Features(x adt.Expr, f func(label adt.Feature, src adt.Node))
• type Visitor
• func (w *Visitor) Elem(x adt.Elem)

Functions ¶

func Features ¶

func Features(x adt.Expr, f func(label adt.Feature, src adt.Node))

Features calls f for all features used in x and indicates whether the feature is used as a reference or not.

Types ¶

type Visitor ¶

type Visitor struct {
	// Feature is invoked for all field names.
	Feature func(f adt.Feature, src adt.Node)

	// Before is invoked for all invoked for all nodes in pre-order traversal.
	// Return false prevents the visitor from visiting the nodes descendant
	// elements.
	Before func(adt.Node) bool
}

A Visitor walks over all elements in an ADT, recursively.

func (*Visitor) Elem ¶

func (w *Visitor) Elem(x adt.Elem)

Source Files ¶

walk.go