error: constant 'BAD' mixes incompatible element types — annotate the array type
  --> examples/1159-diagnostics-array-const-mixed-elements.sx:8:19
   |
 8 | BAD :: .["alpha", 1];
   |                   ^

error: unresolved 'BAD' (in examples/1159-diagnostics-array-const-mixed-elements.sx fn main)
  --> examples/1159-diagnostics-array-const-mixed-elements.sx:11:19
   |
11 |     print("{}\n", BAD[0]);
   |                   ^^^