error: expected `{`, found keyword `in` --> $DIR/issue-51602.rs:2:10 | LL | if i in 1..10 { | ^^ expected `{` | note: the `if` expression is missing a block after this condition --> $DIR/issue-51602.rs:2:8 | LL | if i in 1..10 { | ^ error: aborting due to 1 previous error