What works.

• The C backend.
• Control-flow analysis.
• Optimizations:
  • Case pruning.
  • Store/fetch reduction.
  • Trivial case reduction.
• Conservative garbage collection.
• Arbitrary precision Integers.

What doesn’t work.

• Fast accurate garbage collection.
• Exceptions.
• 64bits words on 32bit machines.
• Linking against C files.
• Unicode support.

Darcs history