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Diffstat (limited to 'src')
| -rw-r--r-- | src/library/scala/List.scala | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/library/scala/List.scala b/src/library/scala/List.scala index 84560f2939..2bb49e652e 100644 --- a/src/library/scala/List.scala +++ b/src/library/scala/List.scala @@ -1272,6 +1272,14 @@ sealed abstract class List[+A] extends Seq[A] { def - [B >: A](x: B): List[B] = this -- List(x) + /** Concatenate the elements of this list. The elements of this list + * should be a <code>Iterables</code>. + * + * Note: The compiler might not be able to infer the type parameter. + * + * @param f An implicit conversion to an <code>Iterable</code> instance. + * @return The concatenation of all elements of iterables in this list. + */ def flatten[B](implicit f : A => Iterable[B]) : List[B] = { val buf = new ListBuffer[B] foreach(f(_).foreach(buf += _)) |