/// Adds a new row to the layout.
Adds a new row to the layout.
Adds a new row to the layout .
pub fn with_row(&mut self) -> &mut Self {
        self.opcodes.push(LayoutOp::Row);
        self.row += 1;
        self.column = 0;
        self
    }
pub fn with_row ( & mut self ) -> & mut Self { self . opcodes . push ( LayoutOp :: Row ) ; self . row += 1 ; self . column = 0 ; self }
Adds a new row to the layout.
Adds a new row to the layout .
&mut self