// MIR for `inclusive_loop` after PreCodegen fn inclusive_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { debug start => _1; debug end => _2; debug f => _3; let mut _0: (); let mut _4: std::ops::RangeInclusive; let mut _5: std::ops::RangeInclusive; let mut _6: &mut std::ops::RangeInclusive; let mut _7: std::option::Option; let mut _8: isize; let mut _10: &impl Fn(u32); let mut _11: (u32,); let _12: (); scope 1 { debug iter => _5; let _9: u32; scope 2 { debug x => _9; } scope 5 (inlined iter::range::>::next) { debug self => _6; } } scope 3 (inlined RangeInclusive::::new) { debug start => _1; debug end => _2; } scope 4 (inlined as IntoIterator>::into_iter) { debug self => _4; } bb0: { _4 = RangeInclusive:: { start: _1, end: _2, exhausted: const false }; StorageLive(_5); _5 = move _4; goto -> bb1; } bb1: { StorageLive(_7); StorageLive(_6); _6 = &mut _5; _7 = as iter::range::RangeInclusiveIteratorImpl>::spec_next(move _6) -> [return: bb2, unwind unreachable]; } bb2: { StorageDead(_6); _8 = discriminant(_7); switchInt(move _8) -> [0: bb3, 1: bb5, otherwise: bb7]; } bb3: { StorageDead(_7); StorageDead(_5); drop(_3) -> [return: bb4, unwind unreachable]; } bb4: { return; } bb5: { _9 = ((_7 as Some).0: u32); StorageLive(_10); _10 = &_3; StorageLive(_11); _11 = (_9,); _12 = >::call(move _10, move _11) -> [return: bb6, unwind unreachable]; } bb6: { StorageDead(_11); StorageDead(_10); StorageDead(_7); goto -> bb1; } bb7: { unreachable; } }