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fp2023:lab06 [2023/04/07 10:58] pdmatei |
fp2023:lab06 [2023/04/10 10:53] (current) pdmatei |
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| <code> | <code> | ||
| groupBy(List("john", "mary", "mihai"))(_.size) = List((4,List("john","mary")), (5, List("mihai"))) | groupBy(List("john", "mary", "mihai"))(_.size) = List((4,List("john","mary")), (5, List("mihai"))) | ||
| - | groupBy(List((1,2), (2,1), (3,3))(p => p._1 + p._2) = List((3,List((1,2),(2,1)), (6, List((3,3))) | + | groupBy(List((1,2), (2,1), (3,3))(p => p._1 + p._2) = List((3,List((1,2),(2,1))), (6, List((3,3))) |
| </code> | </code> | ||
| Line 89: | Line 89: | ||
| **6.2.3.** Write a function which checks is there exist identical names under different domains in a list of emails (e.g. ''ana@amazon.com'' and ''ana@gmail.com'') | **6.2.3.** Write a function which checks is there exist identical names under different domains in a list of emails (e.g. ''ana@amazon.com'' and ''ana@gmail.com'') | ||
| <code scala> | <code scala> | ||
| - | def containsDuplicates(l: List[Email]): List[Email] = ??? | + | def containsDuplicates(l: List[Email]): Boolean = ??? |
| </code> | </code> | ||