User:Dan Bron/Temp/SingleAssignmentJ

definition

The SAJ script re-introduces single assignment semantics to J.

example

   name                 NB.  Undefined
|value error: name

   name is 'value'
value

   name                 NB.  Defined once
value

   name =: 'new value'  NB.  Can't be redefined
|read-only data
|   name    =:'new value'

references

Please see the SAJ announcement on the Forums.