Re: Vector.foldri's type changed?

The published version of the Basis documentation agrees with the our
implementation (but there may be online versions that are out of date).
When vector and array slices were added to the Basis (fairly late in the
process), we simplified the interface to the non-slice versions of the
iterators.

	- John

On Oct 12, 2007, at 8:20 AM, Gergely Buday wrote:

> Hi,
>
> I'm to compile "legacy" code with sml/nj 110.60. I get type errors as
> the author of the code supposed that Vector.foldri's last argument is
> not a vector, as the Basis Library spec says:
>
> (int * 'a * 'b -> 'b) -> 'b -> 'a vector -> 'b
>
> but a ('a vector * int * int option) triple. The trick is obviously  
> to use
>
> (VectorSlice.vector o VectorSlice.slice)
>
> in between Vector.foldri and the triple.
>
> For historical curiousity I ask: when was this changed? Was it a
> change only in the compiler, or in the Basis Library as well? The code
> is supposed to compile with 110.0.7.
>
> - Gergely
>
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