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3e030b38ef
This saves a few blocks and matches the common `unpack!` paradigm.
43 lines
810 B
Rust
43 lines
810 B
Rust
// MIR for `bar` after built
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fn bar(_1: Box<[T]>) -> () {
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debug it => _1;
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let mut _0: ();
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let mut _2: &<[T] as std::ops::Index<usize>>::Output;
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let mut _3: &[T];
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scope 1 {
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}
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bb0: {
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StorageLive(_2);
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StorageLive(_3);
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_3 = &(*_1);
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_2 = <[T] as Index<usize>>::index(move _3, const 0_usize) -> [return: bb1, unwind: bb4];
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}
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bb1: {
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StorageDead(_3);
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PlaceMention((*_2));
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StorageDead(_2);
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_0 = const ();
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drop(_1) -> [return: bb3, unwind: bb5];
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}
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bb2: {
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FakeRead(ForMatchedPlace(None), (*_2));
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unreachable;
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}
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bb3: {
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return;
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}
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bb4 (cleanup): {
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drop(_1) -> [return: bb5, unwind terminate(cleanup)];
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}
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bb5 (cleanup): {
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resume;
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}
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}
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