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