shorter unsafe

1 files changed, 5 insertions, 18 deletions

diff --git a/src/vm.rs b/src/vm.rs
index b195a1c..37da8ca 100644
--- a/src/vm.rs
+++ b/src/vm.rs
@@ -120,11 +120,7 @@ impl VM {
 
     fn push(&mut self, value: Value) {
         unsafe {
-            *unwrap_unchecked_o(
-                self.stack
-                    .offset(unwrap_unchecked_r(self.stack_len.try_into()))
-                    .as_mut()
-            ) = value;
+            *self.stack.offset(self.stack_len as isize) = value;
         }
         self.stack_len += 1;
     }
@@ -134,11 +130,7 @@ impl VM {
         // &self.stack[slot]
         // unsafe { self.stack.get_unchecked(slot) }
         unsafe {
-            unwrap_unchecked_o(
-                self.stack
-                    .offset(unwrap_unchecked_r(slot.try_into()))
-                    .as_ref()
-            )
+            &*self.stack.offset(slot as isize)
         }
     }
 
@@ -147,11 +139,7 @@ impl VM {
         // &mut self.stack[slot]
         // unsafe { self.stack.get_unchecked_mut(slot) }
         unsafe {
-            unwrap_unchecked_o(
-                self.stack
-                    .offset(unwrap_unchecked_r(slot.try_into()))
-                    .as_mut()
-            )
+            &mut *self.stack.offset(slot as isize)
         }
     }
 
@@ -161,9 +149,8 @@ impl VM {
         // self.stack.pop().unwrap_or_else(|| unsafe { std::hint::unreachable_unchecked() })
         self.stack_len -= 1;
         unsafe {
-            ptr::replace(
-                    self.stack.offset(unwrap_unchecked_r(self.stack_len.try_into())),
-                Value::Nil)
+            ptr::replace(self.stack.offset(self.stack_len as isize),
+                         Value::Nil)
         }
     }