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authorOli Scherer <git-spam-no-reply9815368754983@oli-obk.de>2023-05-31 12:14:30 +0000
committerOli Scherer <git-spam-no-reply9815368754983@oli-obk.de>2023-05-31 14:07:15 +0000
commitbd4197cbf92860e11ae0681f1ab7690ca4c1c0c8 (patch)
tree24a9fb958d40aefad680821d3c8e0b92adf93f2c
parent1722aa79ea58dc6644016fbc282d6ed4f2cafe36 (diff)
downloadrust-bd4197cbf92860e11ae0681f1ab7690ca4c1c0c8.tar.gz
rust-bd4197cbf92860e11ae0681f1ab7690ca4c1c0c8.zip
Simplify an `if let Some` to a `?`
-rw-r--r--compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs23
1 files changed, 10 insertions, 13 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
index 5317e13de25..9df6d2f43ad 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
@@ -140,20 +140,17 @@ impl IntRange {
         value: mir::ConstantKind<'tcx>,
     ) -> Option<IntRange> {
         let ty = value.ty();
-        if let Some((target_size, bias)) = Self::integral_size_and_signed_bias(tcx, ty) {
-            let val = match value {
-                mir::ConstantKind::Ty(c) if let ty::ConstKind::Value(valtree) = c.kind() => {
-                    valtree.unwrap_leaf().to_bits(target_size).ok()
-                },
-                // This is a more general form of the previous case.
-                _ => value.try_eval_bits(tcx, param_env, ty),
-            }?;
+        let (target_size, bias) = Self::integral_size_and_signed_bias(tcx, ty)?;
+        let val = match value {
+            mir::ConstantKind::Ty(c) if let ty::ConstKind::Value(valtree) = c.kind() => {
+                valtree.unwrap_leaf().to_bits(target_size).ok()
+            },
+            // This is a more general form of the previous case.
+            _ => value.try_eval_bits(tcx, param_env, ty),
+        }?;
 
-            let val = val ^ bias;
-            Some(IntRange { range: val..=val, bias })
-        } else {
-            None
-        }
+        let val = val ^ bias;
+        Some(IntRange { range: val..=val, bias })
     }
 
     #[inline]