I\'m going throught collection api and the returned type of operations which can modify the type of conta开发者_开发知识库iner and the type of contained element have all the header in its non-usecase
I would like to derive a version of a Scala built-in collection that expands on the functionality for a particular generic type e.g.,
I wrote an answer to the first Project Euler question: Add all the natural numbers below one thousand that are multiples of 3 or 5.
Suppose I have a list of strings and I use zipWithIndex to transform it to a list of tuples: List(\"a\", \"b\", \"c\").zipWithIndex
I have the following xml-node: val xml = <fields><field name=\"one\"></field><field name=\"two\"></field></fields>
I\'m pretty new to scala and I am not able to solve this (pretty) 开发者_C百科trivial problem. I know I can instantiate a List with predefined values like this:
I have an interface in Java that looks something like this: public interface X<T> { Set<Class<? extends T>> getTypes();
Adding two Set[Int] works: Welcome to Scala version 2.8.1.final (Java HotSpot(TM) Server VM, Java 1.6.0_23).
At first I assumed that every collection class would receive an additional par method which would convert the collection to a fitting parallel data structure (like map returns the best collection for
Is there a reason why there is no implicit Ordering for Lists in Scala? val lists = List(List(2, 3, 1), List(2, 1, 3))
加载中,请稍侯......