bjoernager/rust
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Rollup merge of #123419 - petrochenkov:zeroindex, r=compiler-errors

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rustc_index: Add a `ZERO` constant to index types

It is commonly used.
This commit is contained in:
Matthias Krüger 2024-04-03 22:11:02 +02:00 • committed by GitHub
commit 25b0e84170
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42 changed files with 80 additions and 90 deletions
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2
compiler/rustc_mir_build/src/build/custom/parse.rs
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@ -215,7 +215,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
fn parse_local_decls(&mut self, mut stmts: impl Iterator<Item = StmtId>) -> PResult<()> {
let (ret_var, ..) = self.parse_let_statement(stmts.next().unwrap())?;
self.local_map.insert(ret_var, Local::from_u32(0));
self.local_map.insert(ret_var, Local::ZERO);
for stmt in stmts {
let (var, ty, span) = self.parse_let_statement(stmt)?;

2
compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
View file

@ -573,7 +573,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
result_value,
Rvalue::CheckedBinaryOp(op, Box::new((lhs.to_copy(), rhs.to_copy()))),
);
let val_fld = FieldIdx::new(0);
let val_fld = FieldIdx::ZERO;
let of_fld = FieldIdx::new(1);
let tcx = self.tcx;

2
compiler/rustc_mir_build/src/build/scope.rs
View file

@ -190,7 +190,7 @@ rustc_index::newtype_index! {
struct DropIdx {}
}
const ROOT_NODE: DropIdx = DropIdx::from_u32(0);
const ROOT_NODE: DropIdx = DropIdx::ZERO;
/// A tree of drops that we have deferred lowering. It's used for:
///