// MIR for `unsigny` after built fn unsigny(_1: UnsignedAroundZero) -> u16 { debug x => _1; let mut _0: u16; let _2: UnsignedAroundZero; let mut _3: u16; bb0: { StorageLive(_2); _2 = move _1; _3 = discriminant(_2); _0 = move _3 as u16 (IntToInt); StorageDead(_2); return; } }