Add ValueVisitor

Description

Value gets an Object accept(ValueVisitor vv) method and tools can now add "behavior" to the the value hiearchy.

Environment

None

Assignee

Max Rydahl Andersen

Reporter

Max Rydahl Andersen

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

None

backportDecision

None

Components

Affects versions

Priority

Configure