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| author | Trevor Gross <tmgross@umich.edu> | 2025-02-26 04:25:21 +0000 |
|---|---|---|
| committer | Trevor Gross <tmgross@umich.edu> | 2025-04-24 22:14:23 +0000 |
| commit | 75a9be609ed3f932b9c1f15a18c8afbf41138893 (patch) | |
| tree | d90e1d5b2b8b97184313360fe2c0fa65b29eb2b8 /tests/ui/unpretty | |
| parent | 3c877f6a477380ed61155d3bf816df09c9e05b9e (diff) | |
| download | rust-75a9be609ed3f932b9c1f15a18c8afbf41138893.tar.gz rust-75a9be609ed3f932b9c1f15a18c8afbf41138893.zip | |
Deprecate the unstable `concat_idents!`
`concat_idents` has been around unstably for a long time, but there is
now a better (but still unstable) way to join identifiers using
`${concat(...)}` syntax with `macro_metavar_expr_concat`. This resolves
a lot of the problems with `concat_idents` and is on a better track
toward stabilization, so there is no need to keep both versions around.
`concat_idents!` still has a lot of use in the ecosystem so deprecate it
before removing, as discussed in [1].
Link: https://github.com/rust-lang/rust/issues/124225
[1]: https://rust-lang.zulipchat.com/#narrow/channel/219381-t-libs/topic/Removing.20.60concat_idents.60
Diffstat (limited to 'tests/ui/unpretty')
| -rw-r--r-- | tests/ui/unpretty/expanded-exhaustive.rs | 1 | ||||
| -rw-r--r-- | tests/ui/unpretty/expanded-exhaustive.stdout | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/tests/ui/unpretty/expanded-exhaustive.rs b/tests/ui/unpretty/expanded-exhaustive.rs index 0fb5a26c5aa..5697f615b97 100644 --- a/tests/ui/unpretty/expanded-exhaustive.rs +++ b/tests/ui/unpretty/expanded-exhaustive.rs @@ -839,6 +839,7 @@ mod types { } /// TyKind::MacCall + #[expect(deprecated)] // concat_idents is deprecated fn ty_mac_call() { let _: concat_idents!(T); let _: concat_idents![T]; diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout index 8febd2d6d49..841edf63c91 100644 --- a/tests/ui/unpretty/expanded-exhaustive.stdout +++ b/tests/ui/unpretty/expanded-exhaustive.stdout @@ -359,6 +359,7 @@ mod expressions { + // concat_idents is deprecated @@ -674,6 +675,7 @@ mod types { /*! there is no syntax for this */ } /// TyKind::MacCall + #[expect(deprecated)] fn ty_mac_call() { let _: T; let _: T; let _: T; } /// TyKind::CVarArgs fn ty_c_var_args() { |