// MIR for `boo` after built fn boo(_1: Boo) -> usize { debug boo => _1; let mut _0: usize; let _2: Boo; let mut _3: u8; let mut _4: u8; let mut _5: bool; bb0: { StorageLive(_2); _2 = move _1; _3 = discriminant(_2); _4 = copy _3 as u8 (IntToInt); _5 = Le(copy _4, const 1_u8); assume(move _5); _0 = move _3 as usize (IntToInt); StorageDead(_2); return; } }