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// MIR for `old` after PreCodegen
fn old(_1: Result<T, E>) -> Result<T, E> {
debug x => _1;
let mut _0: std::result::Result<T, E>;
let mut _2: isize;
let _3: T;
let _4: E;
scope 1 {
debug v => _3;
}
scope 2 {
debug e => _4;
}
bb0: {
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4];
}
bb1: {
_3 = move ((_1 as Ok).0: T);
_0 = Result::<T, E>::Ok(copy _3);
goto -> bb3;
}
bb2: {
_4 = move ((_1 as Err).0: E);
_0 = Result::<T, E>::Err(copy _4);
goto -> bb3;
}
bb3: {
return;
}
bb4: {
unreachable;
}
}
|
