4 "github.com/hashicorp/hcl2/hcl"
7 // Node is the abstract type that every AST node implements.
9 // This is a closed interface, so it cannot be implemented from outside of
12 // This is the mechanism by which the public-facing walk functions
13 // are implemented. Implementations should call the given function
14 // for each child node and then replace that node with its return value.
15 // The return value might just be the same node, for non-transforming
17 walkChildNodes(w internalWalkFunc)
22 type internalWalkFunc func(Node) Node