Constructs the definition of a nested access.
Example:
person$credentials$username Copy
person$credentials$username
would result in a list with the index credentials, which has the subIndex username.
credentials
username
The top level argument that is accessed
The index at the end of the nested access i.e. c in a$b$c.
c
a$b$c
The constructed nested access
Constructs the definition of a nested access.
Example:
would result in a list with the index
credentials, which has the subIndexusername.