ALEF definition language
A programming language from Bell Labs
. ALEF boasts few new ideas but is instead a careful synthesis of ideas from other languages. The result is a practical general purpose programming language which was once displacing C
as their main implementation language. Both shared variables and message passing
are supported through language constructs.
A window system
, user interface
, operating system
network code, news reader
and variety of other tools in Plan 9
are now implemented using ALEF.