error: `<` is interpreted as a start of generic arguments for `u32`, not a comparison | |
--> $DIR/issue-42954.rs:17:19 | |
| | |
LL | $i as u32 < 0 //~ `<` is interpreted as a start of generic arguments | |
| --------- ^ - interpreted as generic arguments | |
| | | | |
| | not interpreted as comparison | |
| help: try comparing the cast value: `($i as u32)` | |
... | |
LL | is_plainly_printable!(c); | |
| ------------------------- in this macro invocation | |
error: aborting due to previous error | |