| ### Compilation failed: | |
| error: 13: variables of type 'shader' must be global | |
| error: 14: parameters of type 'shader' not allowed | |
| error: 15: functions may not return opaque type 'shader' | |
| error: 16: cannot construct 'shader' | |
| error: 17: ternary expression of opaque type 'shader' not allowed | |
| 5 errors |