fn stack_top_mut(&mut self) -> &mut RawValue {
      #[cfg(debug_assertions)]
      {
         self.stack.last_mut().unwrap()
      }
      #[cfg(not(debug_assertions))]
      unsafe {
         let last = self.stack.len() - 1;
         self.stack.get_unchecked_mut(last)
      }
   }
/// Returns a mutable reference to the value at the top of the stack.
Returns a mutable reference to the value at the top of the stack.
Returns a mutable reference to the value at the top of the stack .
fn stack_top_mut(&mut self) -> &mut RawValue {
      #[cfg(debug_assertions)]
      {
         self.stack.last_mut().unwrap()
      }
      #[cfg(not(debug_assertions))]
      unsafe {
         let last = self.stack.len() - 1;
         self.stack.get_unchecked_mut(last)
      }
   }
fn stack_top_mut ( & mut self ) -> & mut RawValue { # [ cfg ( debug_assertions ) ] { self . stack . last_mut ( ) . unwrap ( ) } # [ cfg ( not ( debug_assertions ) ) ] unsafe { let last = self . stack . len ( ) - 1 ; self . stack . get_unchecked_mut ( last ) } }
Returns a mutable reference to the value at the top of the stack.
Returns a mutable reference to the value at the top of the stack .
&mut self