error: expected `{`, found `std` --> $DIR/unsafe-block-without-braces.rs:3:9 | LL | unsafe //{ | ------ while parsing this `unsafe` expression LL | std::mem::transmute::(1.0); | ^^^ expected `{` | help: try placing this code inside a block | LL | { std::mem::transmute::(1.0); } | + + error: aborting due to 1 previous error