The NameSpace class will lookup task names in
the the scope defined by a namespace command.
Create a namespace lookup object using the given task manager and the list
of scopes.
1642: def initialize(task_manager, scope_list)
1643: @task_manager = task_manager
1644: @scope = scope_list.dup
1645: end
Lookup a task named name in the namespace.
1648: def [](name)
1649: @task_manager.lookup(name, @scope)
1650: end
Return the list of tasks defined in this and nested namespaces.
1653: def tasks
1654: @task_manager.tasks_in_scope(@scope)
1655: end