// MIR for `foo` 0 mir_map fn foo(_1: Foo) -> usize { debug foo => _1; // in scope 0 at $DIR/enum_cast.rs:+0:8: +0:11 let mut _0: usize; // return place in scope 0 at $DIR/enum_cast.rs:+0:21: +0:26 let _2: Foo; // in scope 0 at $DIR/enum_cast.rs:+1:5: +1:8 let mut _3: isize; // in scope 0 at $DIR/enum_cast.rs:+1:5: +1:8 bb0: { StorageLive(_2); // scope 0 at $DIR/enum_cast.rs:+1:5: +1:8 _2 = move _1; // scope 0 at $DIR/enum_cast.rs:+1:5: +1:8 _3 = discriminant(_2); // scope 0 at $DIR/enum_cast.rs:+1:5: +1:17 _0 = move _3 as usize (IntToInt); // scope 0 at $DIR/enum_cast.rs:+1:5: +1:17 StorageDead(_2); // scope 0 at $DIR/enum_cast.rs:+1:16: +1:17 return; // scope 0 at $DIR/enum_cast.rs:+2:2: +2:2 } }