On Thu, 2007-03-29 at 01:51 +0200, Klas Ivarsson wrote:
>
> Hi all!
>
> I've been testing the new varray a little,
> by making a very basic vector implementation.
> You can find the code below.
>
> A few questions showed up during the hacking...
>
> In std.flx you find:
> fun subscript[t]: varray[t] * !ints -> lvalue[t] = "$1[$2]";
> What does !ints mean?
ints is a set of all the integer types, using
the !ints notation is shorthand for:
fun subscript[t,u in ints]: varray[t] * u -> lvalue[t] = "$1[$2]";
> Is there a way to put string or bool in a varray?
Sure:
s.[t]="hello";
Note that 'subscript' maps to .[] notation, and the result
is an lvalue so you can assign to it. Just don't assign off
the end of the array .. it isn't safe.
> // The two rows below are not allowed ????
> //var bool_vector <- new Felix_Vector::flxVec[bool](4ul);
> //var string_vector <- new Felix_Vector::flxVec[string](4ul);
They should be ..
--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net
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