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// MIR for `map_via_question_mark` after PreCodegen
fn map_via_question_mark(_1: Option<i32>) -> Option<i32> {
debug x => _1;
let mut _0: std::option::Option<i32>;
let mut _4: std::ops::ControlFlow<std::option::Option<std::convert::Infallible>, i32>;
let _5: i32;
let mut _6: i32;
scope 1 {
debug residual => const Option::<Infallible>::None;
scope 2 {
scope 7 (inlined <Option<i32> as FromResidual<Option<Infallible>>>::from_residual) {
}
}
}
scope 3 {
debug val => _5;
scope 4 {
}
}
scope 5 (inlined <Option<i32> as Try>::branch) {
let mut _2: isize;
let _3: i32;
scope 6 {
}
}
bb0: {
StorageLive(_6);
StorageLive(_4);
StorageLive(_2);
StorageLive(_3);
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4];
}
bb1: {
StorageDead(_3);
StorageDead(_2);
_0 = const Option::<i32>::None;
StorageDead(_6);
StorageDead(_4);
goto -> bb3;
}
bb2: {
_3 = copy ((_1 as Some).0: i32);
_4 = ControlFlow::<Option<Infallible>, i32>::Continue(copy _3);
StorageDead(_3);
StorageDead(_2);
_5 = copy ((_4 as Continue).0: i32);
_6 = Add(copy _5, const 1_i32);
_0 = Option::<i32>::Some(move _6);
StorageDead(_6);
StorageDead(_4);
goto -> bb3;
}
bb3: {
return;
}
bb4: {
unreachable;
}
}
ALLOC0 (size: 8, align: 4) {
00 00 00 00 __ __ __ __ │ ....░░░░
}
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