Method get_mut

perro_source/core/perro_structs/src/structs/matrix/mod.rs:285–291

(&mut self, row: usize, col: usize)

    #[inline]
    pub fn get_mut(&mut self, row: usize, col: usize) -> Option<&mut T> {
        if row < ROWS && col < COLS {
            Some(&mut self.0[row][col])
        } else {
            None
        }
    }

    #[inline]
    pub fn get_flat(&self, index: usize) -> Option<&T> {