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warning: trailing semicolon in macro used in expression position
--> $DIR/semicolon-in-expressions-from-macros.rs:9:13
|
LL | true;
| ^
...
LL | foo!(warn_in_block)
| ------------------- in this macro invocation
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
= note: macro invocations at the end of a block are treated as expressions
= note: to ignore the value produced by the macro, add a semicolon after the invocation of `foo`
note: the lint level is defined here
--> $DIR/semicolon-in-expressions-from-macros.rs:4:9
|
LL | #![warn(semicolon_in_expressions_from_macros)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: trailing semicolon in macro used in expression position
--> $DIR/semicolon-in-expressions-from-macros.rs:9:13
|
LL | true;
| ^
...
LL | let _ = foo!(warn_in_expr);
| ------------------ in this macro invocation
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
= note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: trailing semicolon in macro used in expression position
--> $DIR/semicolon-in-expressions-from-macros.rs:9:13
|
LL | true;
| ^
...
LL | let _ = #[allow(semicolon_in_expressions_from_macros)] foo!(allow_does_not_work);
| ------------------------- in this macro invocation
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
= note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: 3 warnings emitted
|
