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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug rust/31517] [15 Regression] GDB 15 broke Rust upstream GDB
 tests
Date: Thu, 21 Mar 2024 23:26:18 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31517

--- Comment #5 from Tom Tromey <tromey at sourceware dot org> ---
(In reply to liushuyu from comment #4)

> Although I am curious about how to print the length of a slice like using
> `print slice.length` before?

You can't, not directly anyway.
In Rust you use len() but the Rust compiler doesn't emit enough information
for gdb to do calls via traits.

> I have also built a GDB with the patch applied; the auto-completion in the
> interactive mode still completes `.length` in this case:
>=20
> (gdb) p multiple.
> data_ptr  length=20=20=20=20
>=20
> Is this expected?

No, this should have a separate report.
The completer still sees the underlying C-like type.

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