pub fn at_offset(&self, offset: usize) -> Result<&Value, StackError> {
        self.stack_bottom
            .checked_add(offset)
            .and_then(|n| self.stack.get(n))
            .ok_or(StackError(()))
    }
/// Access the value at the given frame offset.
Access the value at the given frame offset.
Access the value at the given frame offset .
pub fn at_offset(&self, offset: usize) -> Result<&Value, StackError> {
        self.stack_bottom
            .checked_add(offset)
            .and_then(|n| self.stack.get(n))
            .ok_or(StackError(()))
    }
pub fn at_offset ( & self , offset : usize ) -> Result < & Value , StackError > { self . stack_bottom . checked_add ( offset ) . and_then ( | n | self . stack . get ( n ) ) . ok_or ( StackError ( ( ) ) ) }
Access the value at the given frame offset.
Access the value at the given frame offset .
&self
offset
usize
&self
offset
usize