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The `PhantomPinned` detection is just a lint, and is emitted as an error
because there is no `compile_warning!()` macro, and
`proc-macro-diagnostics` is not stable.
Use of `#[deprecated = ""]` attribute to approximate custom proc-macro
warnings. A new line is added before message for visual clarity.
An example warning with this trick looks like this:
warning: use of deprecated function `_::warn`:
The field `pin` of type `PhantomPinned` only has an effect if it has the `#[pin]` attribute
--> test.rs:9:5
|
9 | pin: marker::PhantomPinned,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Suggested-by: Benno Lossin <lossin@kernel.org>
Link: #51
Signed-off-by: Gary Guo <gary@garyguo.net>
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The
PhantomPinneddetection is just a lint, and is emitted as an error because there is nocompile_warning!()macro, andproc-macro-diagnosticsis not stable.Use of
#[deprecated = ""]attribute to approximate custom proc-macro warnings. A new line is added before message for visual clarity.An example warning with this trick looks like this:
Closes #51