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// MIR for `filter_mapped` after PreCodegen
fn filter_mapped(_1: impl Iterator<Item = T>, _2: impl Fn(T) -> Option<U>) -> () {
debug iter => _1;
debug f => _2;
let mut _0: ();
let mut _3: std::iter::FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>>;
let mut _4: std::iter::FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>>;
let mut _5: std::iter::FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>>;
let mut _8: std::option::Option<U>;
let mut _9: isize;
let _11: ();
let mut _12: &mut std::iter::FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>>;
scope 1 {
debug iter => _5;
let _10: U;
scope 2 {
debug x => _10;
}
scope 4 (inlined <FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>> as Iterator>::next) {
debug self => _12;
let mut _6: &mut impl Iterator<Item = T>;
let mut _7: &mut impl Fn(T) -> Option<U>;
}
}
scope 3 (inlined <FilterMap<impl Iterator<Item = T>, impl Fn(T) -> Option<U>> as IntoIterator>::into_iter) {
debug self => _3;
}
bb0: {
StorageLive(_4);
StorageLive(_3);
_3 = <impl Iterator<Item = T> as Iterator>::filter_map::<U, impl Fn(T) -> Option<U>>(move _1, move _2) -> [return: bb1, unwind continue];
}
bb1: {
_4 = move _3;
StorageDead(_3);
StorageLive(_5);
_5 = move _4;
goto -> bb2;
}
bb2: {
StorageLive(_8);
StorageLive(_6);
_6 = &mut (_5.0: impl Iterator<Item = T>);
StorageLive(_7);
_7 = &mut (_5.1: impl Fn(T) -> Option<U>);
_8 = <impl Iterator<Item = T> as Iterator>::find_map::<U, &mut impl Fn(T) -> Option<U>>(move _6, move _7) -> [return: bb3, unwind: bb9];
}
bb3: {
StorageDead(_7);
StorageDead(_6);
_9 = discriminant(_8);
switchInt(move _9) -> [0: bb4, 1: bb6, otherwise: bb8];
}
bb4: {
StorageDead(_8);
drop(_5) -> [return: bb5, unwind continue];
}
bb5: {
StorageDead(_5);
StorageDead(_4);
return;
}
bb6: {
_10 = move ((_8 as Some).0: U);
_11 = opaque::<U>(move _10) -> [return: bb7, unwind: bb9];
}
bb7: {
StorageDead(_8);
goto -> bb2;
}
bb8: {
unreachable;
}
bb9 (cleanup): {
drop(_5) -> [return: bb10, unwind terminate];
}
bb10 (cleanup): {
resume;
}
}
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