bjoernager/rust
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remove optionality from MoveData::base_local

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beepster4096 2024-04-19 16:50:46 -07:00
parent d1a0fa5ed3
commit 17073464ad
2 changed files with 6 additions and 13 deletions
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15
compiler/rustc_mir_dataflow/src/move_paths/mod.rs
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@ -358,20 +358,15 @@ impl<'tcx> MoveData<'tcx> {
builder::gather_moves(body, tcx, param_env, filter)
}
/// For the move path `mpi`, returns the root local variable (if any) that starts the path.
/// (e.g., for a path like `a.b.c` returns `Some(a)`)
pub fn base_local(&self, mut mpi: MovePathIndex) -> Option<Local> {
/// For the move path `mpi`, returns the root local variable that starts the path.
/// (e.g., for a path like `a.b.c` returns `a`)
pub fn base_local(&self, mut mpi: MovePathIndex) -> Local {
loop {
let path = &self.move_paths[mpi];
if let Some(l) = path.place.as_local() {
return Some(l);
}
if let Some(parent) = path.parent {
mpi = parent;
continue;
} else {
return None;
return l;
}
mpi = path.parent.expect("root move paths should be locals");
}
}