|
|
Once a new variable has been introduced by means of a variable definition, we are able to reference it:
|
name |
The value of a variable reference is the value bound to the variable name in the dictionary. Therefore the following:
should result in the retrieval of the
value 3.14159…
computed in the previous paragraph. In the absence of a dictionary
entry for the variable name an error is generated; in case the same
name is used for several variables, the most recent version is used.