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pp:scalalab2 [2022/05/16 00:12]
vbadoiu [L10. List and Datatypes and Functional data representation] 		pp:scalalab2 [2022/05/19 00:16] (current)
mihai.calitescu resolved typos
Line 11: Line 11:
 **1.1.1.** Write a function which returns true if a list of integers has at least k elements. Use patterns. **1.1.1.** Write a function which returns true if a list of integers has at least k elements. Use patterns.
 <code scala> <code scala>
-def atLeastk(k: Int, l: List[Int]): Boolean =+def atLeastk(k: Int, l: List[Int]): Boolean = {
   if (k == 0) ???   if (k == 0) ???
   else ???   else ???
-  ​}+}
 </​code>​ </​code>​
  
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-**1.1.4.** Write a function which takes a predicate ''​p:​ Int => Boolean'',​ a list ''​l''​ and returns a sublist of ''​l''​ containing those elements for which ''​p''​ is true. The function should be **curried**.+**1.1.3.** Write a function which takes a predicate ''​p:​ Int => Boolean'',​ a list ''​l''​ and returns a sublist of ''​l''​ containing those elements for which ''​p''​ is true. The function should be **curried**.
 <code scala> <code scala>
 def takeP(p: Int => Boolean)(l: List[Int]): List[Int] = ??? def takeP(p: Int => Boolean)(l: List[Int]): List[Int] = ???
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 </​code>​ </​code>​
  
-**1.1.5.** Write a function which uses a predicate to partition (split) a list.+**1.1.4.** Write a function which uses a predicate to partition (split) a list.
 <code scala> <code scala>
 def part(p: Int => Boolean)(l: List[Int]): (List[Int], List[Int]) = ??? def part(p: Int => Boolean)(l: List[Int]): (List[Int], List[Int]) = ???