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