[previous] [up] [next]     [contents]
Next: Conditional Expressions and Programs Up: Programs are Function and Previous: Variable Definitions

Finger Exercises on Composing Functions

Exercise Notes

Exercise 3.3.1 Three dots in a row, ..., is a legal Scheme name. DrScheme does not attempt to determine the meaning of a name until necessary. For this reason, you can type in temporary definitions for all of the functions like this:

(define (feet->yards f)
  ...) 

Then, one at a time, replace ... in each function and test it.



PLT