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Auto merge of #93878 - Aaron1011:newtype-macro, r=cjgillot

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Convert `newtype_index` to a proc macro

The `macro_rules!` implementation was becomng excessively complicated,
and difficult to modify. The new proc macro implementation should make
it much easier to add new features (e.g. skipping certain `#[derive]`s)
This commit is contained in:
bors 2022-02-25 03:16:22 +00:00
commit f6a79936da
7 changed files with 342 additions and 457 deletions
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2
compiler/rustc_mir_transform/src/coverage/graph.rs
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@ -281,7 +281,7 @@ impl graph::WithPredecessors for CoverageGraph {
}
rustc_index::newtype_index! {
/// A node in the [control-flow graph][CFG] of CoverageGraph.
/// A node in the control-flow graph of CoverageGraph.
pub(super) struct BasicCoverageBlock {
DEBUG_FORMAT = "bcb{}",
const START_BCB = 0,