Outline:

1. Function pointers
   • syntax in C
   • example
2. Evaluating primitive functions in Scheme
   • general approach
   • example: sqrt
   • functions vs. special forms
3. Types

What’s next

Upcoming events/assessments:

• Last CS Bits and Bytes Thursday at 3:30pm in Anderson 329
• Interpreter Part 4 cannot be resubmitted after Tuesday at 10pm
• Interpreter Part 5 cannot be resubmitted after Thursday at 10pm
• In-class work day on Friday – attendance counts towards engagement credits
• Last quiz next Monday

What you should do now:

• Read the assigned readings (see below)
• Finish P4, P5, and P6

Reading assignment (to be completed by the next class):

From today:

• Function pointers – this wasn’t a reading for before class, but may be handy
• Type systems

For next time:

• Garbage collection – this is about C++, but mentally just replace new/delete with malloc/free as you read it