std::math::big: fix addition and subtraction mutable data

julelang · Mar 10, 2024 · 3961790 · 3961790
1 parent 24cd50d
commit 3961790
Showing 1 changed file with 4 additions and 8 deletions.
diff --git a/std/math/big/nat.jule b/std/math/big/nat.jule
@@ -118,12 +118,10 @@ impl Nat {
 
     // Adds Nat.
     pub fn add_assign(mut self, y: Nat) {
-        match {
-        | y.len() == 0:
+        if y.len() == 0 {
             ret
-        | y.len() == 1 | self.len() >= y.len():
-            self.bits = clone(self.bits)
         }
+        self.bits = clone(self.bits)
         add_res(self.bits, y.bits)
     }
 
@@ -136,12 +134,10 @@ impl Nat {
 
     // Subtracts Nat.
     pub fn sub_assign(mut self, y: Nat) {
-        match {
-        | y.len() == 0:
+        if y.len() == 0 {
             ret
-        | y.len() == 1 | self.len() >= y.len():
-            self.bits = clone(self.bits)
         }
+        self.bits = clone(self.bits)
         sub_res(self.bits, y.bits)
         self.fit()
     }