### Compilation failed:

error: 10: variables of type 'shader' must be uniform
error: 11: 'in' variables not permitted in runtime effects
error: 11: variables of type 'shader' must be uniform
error: 14: variables of type 'shader' must be global
error: 14: variables of type 'shader' must be uniform
error: 15: parameters of type 'shader' not allowed
error: 16: functions may not return opaque type 'shader'
error: 17: cannot construct 'shader'
error: 18: ternary expression of opaque type 'shader' not allowed
9 errors