Hi, How to declare a generic Array? Im using x10 2.0.
Thanks, Sarat On Tue, Dec 8, 2009 at 5:27 PM, Igor Peshansky <[email protected]> wrote: > sarat poluri <[email protected]> wrote on 12/08/2009 05:31:02 PM: > > > Hi, > > > > Could you please tell me the syntax to use templates in x10. > > First off, which version of X10 are you using? The following is for > X10 2.0. > > If by templates you mean generics, then here are some examples: > > class C[T] { // generic class > private val x:T; > public def m(v:T):T { ... } > public static def g[U](v:U):U { ... } // generic method > } > > The method g() above is static because we don't yet support generic > virtual methods. > > Note that these aren't C++-style templates. In particular, you can't > access the type parameter in a static context, nor can you create an > instance of the type parameter, nor do you have structural resolution > of methods/fields/operators. Also, static methods live in the > non-generic incarnation of the class (thus, C.f(), not C[T].f()). > > One can, however, constrain the type parameter to implement some > interface or extend some class, by adding a type constraint like > > class C[T]{T <: I} { // generic class, T is constrained to > extend/implement I > ... > } > > Hope this helps, > Igor > -- > Igor Peshansky (note the spelling change!) > IBM T.J. Watson Research Center > XJ: No More Pain for XML's Gain (http://www.research.ibm.com/xj/) > X10: Parallel Productivity and Performance (http://x10.sf.net/) > > ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ X10-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/x10-users
