Lecture 14

Lecture 14: Haskell Types and Functions
Date: Monday, October 7, 2019

Agenda

Announcements
- Problem Set 3: [HTML] [PDF] next up for grading
- Problem Set 4: [HTML] [PDF] due in just under a week
- Complete the Sebesta Ch. 5 readings and responses and discussion due by class on Wednesday
Exam 1 in a week
- Exam available 6-10 PM in RB 202, those who cannot make it email me if you have not yet done so
- Topics: first 5 chapters of Sebesta, all labs and problem sets to date, basics of Haskell
- Part 1 is pencil and paper, with the only permitted reference one double-sided 8.5 x 11" page of notes in your own handwriting
- When you complete and submit Part 1, you will be issued Part 2, which will be consist of open book and/or practical programming tasks
- Sample questions coming soon
More Haskell from Learn You a Haskell for Great Good!
- types
  - :t to query the type of an object
  - type declarations in function definitions
  - Int vs. Integer
  - a - a type variable
  - polymorphic functions
  - typeclasses (kind of like interfaces)
    - Eq, Ord, Show, Read, Enum, Bounded, Num, Integral, Floating
    - type annotations
- more interesting functions
  - pattern matching, and use in recursion
  - guards

Terminology