Introduce DotDotPos.

This shrinks `hir::Pat` from 88 to 72 bytes.
2022-09-01 13:29:57 +10:00 · 2022-09-01 13:29:57 +10:00 · e67f39f8bc
commit e67f39f8bc
parent 4314615ff8
15 changed files with 85 additions and 47 deletions
--- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs
@ -333,7 +333,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
        &mut self,
        pats: &'tcx [hir::Pat<'tcx>],
        expected_len: usize,
-        gap_pos: Option<usize>,
+        gap_pos: hir::DotDotPos,
    ) -> Vec<FieldPat<'tcx>> {
        pats.iter()
            .enumerate_and_adjust(expected_len, gap_pos)