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error: cannot concatenate a byte string literal
--> $DIR/concat.rs:2:13
|
LL | concat!(b'f');
| ^^^^
error: cannot concatenate a byte string literal
--> $DIR/concat.rs:3:13
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LL | concat!(b"foo");
| ^^^^^^
error: expected a literal
--> $DIR/concat.rs:4:13
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LL | concat!(foo);
| ^^^
|
= note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
error: expected a literal
--> $DIR/concat.rs:5:13
|
LL | concat!(foo());
| ^^^^^
|
= note: only literals (like `"foo"`, `42` and `3.14`) can be passed to `concat!()`
error: aborting due to 4 previous errors
|
