vlib/v/checker/tests/array_declare_element_c.vv:3:8: error: non-name `arr[1][0]` on left side of `:=` 
    1 | fn main() {
    2 |     arr := [[1, 2], [0, 3]]
    3 |     arr[1][0] := 1
      |           ~~~
    4 | }
