error: cannot assign through constant 'WHITE' — constants are immutable (use a '=' global or a local copy for mutable data)
  --> examples/1162-diagnostics-const-write-rejected.sx:15:5
   |
15 |     WHITE.r = 0;
   |     ^^^^^^^

error: cannot assign through constant 'K' — constants are immutable (use a '=' global or a local copy for mutable data)
  --> examples/1162-diagnostics-const-write-rejected.sx:16:5
   |
16 |     K[0] = 5;
   |     ^^^^

error: cannot assign through constant 'K' — constants are immutable (use a '=' global or a local copy for mutable data)
  --> examples/1162-diagnostics-const-write-rejected.sx:17:5
   |
17 |     K[1] += 2;
   |     ^^^^

error: cannot assign through constant 'N' — constants are immutable (use a '=' global or a local copy for mutable data)
  --> examples/1162-diagnostics-const-write-rejected.sx:18:5
   |
18 |     N = 9;
   |     ^^^^^^