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LEHR-UND FORSCHUNGSGEBIET INFORMATIK II RWTH Aachen D-52056 Aachen GERMANY
 

Summary: RHEINISCH-
WESTF 
ALISCHE
TECHNISCHE
HOCHSCHULE
AACHEN
LEHR- UND FORSCHUNGSGEBIET INFORMATIK II
RWTH Aachen  D-52056 Aachen  GERMANY
http://www-i2.informatik.rwth-aachen.de/lufgi2
LuFG
Informatik II
Prof. Dr. J urgen Giesl
Rene Thiemann
Exercises Functional Programming { Sheet 4
Solutions will be collected until Thursday, Nov 14, 2002 in the exercise course.
Exercise 1 (7 points)
The application of the function foldr () e xs yields a term in which the list elements are
combined with the operator  in right{associative way.
foldr () e [a 1 ,: : :,a n ] = a 1  (a 2  : : : (a n  e): : :))
(a) Dual to foldr de ne the function foldl where the parentheses associate to the left.

  

Source: Ábrahám, Erika - Fachgruppe Informatik, Rheinisch Westfälische Technische Hochschule Aachen (RWTH)

 

Collections: Computer Technologies and Information Sciences