From f2e4709f2252103a2461991dba209f8ab4d76aca Mon Sep 17 00:00:00 2001 From: mark Date: Thu, 9 Apr 2020 09:31:52 -0500 Subject: [PATCH] improve comments --- src/librustc_typeck/check/pat.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/librustc_typeck/check/pat.rs b/src/librustc_typeck/check/pat.rs index 37f0efd4064c..0335aba91446 100644 --- a/src/librustc_typeck/check/pat.rs +++ b/src/librustc_typeck/check/pat.rs @@ -1360,8 +1360,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let min = before.len() as u64 + after.len() as u64; let (opt_slice_ty, expected) = self.check_array_pat_len(span, element_ty, expected, slice, len, min); - // opt_slice_ty.is_none() => slice.is_none() - // Note, though, that opt_slice_ty could be Some(error_ty). + // `opt_slice_ty.is_none()` => `slice.is_none()`. + // Note, though, that opt_slice_ty could be `Some(error_ty)`. assert!(opt_slice_ty.is_some() || slice.is_none()); (element_ty, opt_slice_ty, expected) } @@ -1394,7 +1394,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Type check the length of an array pattern. /// /// Returns both the type of the variable length pattern (or `None`), and the potentially - /// inferred array type. We should only return `None` for the slice type if `slice.is_none()`. + /// inferred array type. We only return `None` for the slice type if `slice.is_none()`. fn check_array_pat_len( &self, span: Span,