walk

Documentation

Overview

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 func(f adt.Feature, src adt.Node)
	Before  func(adt.Node) bool
}

func (*Visitor) Elem

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