Is this a bug in std.typecons.Tuple.slice?
Marco Leise via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Thu Feb 4 09:38:00 PST 2016
Am Thu, 04 Feb 2016 15:17:54 +0000
schrieb Saurabh Das <saurabh.das at gmail.com>:
> On Thursday, 4 February 2016 at 12:28:39 UTC, Saurabh Das wrote:
> > This code:
> > [...]
>
> Update: Simplified, this also doesn't work:
>
> void main()
> {
> import std.typecons;
> auto tp = tuple(10, false, "hello");
>
> auto u0 = tp.slice!(0, tp.length);
> auto u1 = tp.slice!(1, tp.length);
> auto u2 = tp.slice!(2, tp.length);
>
> static assert(is(typeof(u0) == Tuple!(int, bool, string)));
> static assert(is(typeof(u1) == Tuple!(bool, string)));
> static assert(is(typeof(u2) == Tuple!(string)));
>
> assert(u2[0] == "hello");
> assert(u0[2] == "hello");
> assert(u1[1] == "hello"); // This fails
> }
>
> rdmd erasetype.d
> core.exception.AssertError at erasetype.d(16): Assertion failure
>
> Any ideas?
Yes this is a clear bug, I'll report a bug and post the issue
number later.
--
Marco
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