Skip to content

vfmt removes attributes defined on type aliases #24968

Description

@spytheman
V version: V 0.4.11 05479f3, press to see full `v doctor` output
V full version V 0.4.11 8578fd4.05479f3
OS linux, Ubuntu 20.04.6 LTS
Processor 4 cpus, 64bit, little endian, Intel(R) Core(TM) i3-3225 CPU @ 3.30GHz
Memory 7.2GB/15.05GB
V executable /home/delian/v/v
V last modified time 2025-07-24 12:52:49
V home dir OK, value: /home/delian/v
VMODULES OK, value: /home/delian/.vmodules
VTMP OK, value: /tmp/v_1000
Current working dir OK, value: /home/delian/v
env VFLAGS "-no-parallel"
Git version git version 2.50.0
V git status weekly.2025.30-32-g46b35bef
.git/config present true
cc version cc (Ubuntu 10.5.0-1ubuntu1~20.04) 10.5.0
gcc version gcc (Ubuntu 10.5.0-1ubuntu1~20.04) 10.5.0
clang version N/A
tcc version tcc version 0.9.28rc 2025-02-13 HEAD@f8bd136d (x86_64 Linux)
tcc git status thirdparty-linux-amd64 696c1d84
emcc version N/A
glibc version ldd (Ubuntu GLIBC 2.31-0ubuntu9.18) 2.31

What did you do?
./v -g -o vdbg cmd/v && ./vdbg a.v && a

@[deprecated: 'use int instead']
@[deprecated_after: '2040-01-24']
pub type Alias = int

n := Alias(123)
println(n)

What did you see?

123

What did you expect to see?

the attributes should stay even after v fmt -w file.v

Note

You can use the 👍 reaction to increase the issue's priority for developers.

Please note that only the 👍 reaction to the issue itself counts as a vote.
Other reactions and those to comments will not be taken into account.

Metadata

Metadata

Assignees

Labels

BugThis tag is applied to issues which reports bugs.Status: ConfirmedThis bug has been confirmed to be valid by a contributor.Unit: vfmtBugs/feature requests, that are related to the `vfmt`, the formatter for V.

Type

No type
No fields configured for issues without a type.

Projects

No projects

Milestone

No milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions