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|
error: format argument must be a string literal
--> $DIR/derive-in-eager-expansion-hang.rs:4:5
|
LL | / {
LL | | #[derive(Clone)]
LL | | struct S;
LL | |
LL | | ""
LL | | }
| |_____^
...
LL | format_args!(hang!());
| ------- in this macro invocation
|
= note: this error originates in the macro `hang` (in Nightly builds, run with -Z macro-backtrace for more info)
help: you might be missing a string literal to format with
|
LL | format_args!("{}", hang!());
| +++++
error: aborting due to 1 previous error
|
