Function NewExprVisitor

common/ast/navigable.go:167–172

NewExprVisitor creates a visitor which only visits expression nodes.

(v func(Expr))

// NewExprVisitor creates a visitor which only visits expression nodes.
func NewExprVisitor(v func(Expr)) Visitor {
	return &baseVisitor{
		visitExpr:      v,
		visitEntryExpr: nil,
	}
}

// PostOrderVisit walks the expression graph and calls the visitor in post-order (bottom-up).
func PostOrderVisit(expr Expr, visitor Visitor) {