1### Compilation failed: 2 3error: 7: cannot assign to this expression 4error: 8: cannot modify immutable variable 'u' 5error: 9: cannot modify immutable variable 'x' 6error: 11: cannot assign to this expression 7error: 12: cannot write to the same swizzle field more than once 8error: 14: cannot modify immutable variable 'l' 9error: 15: cannot modify immutable variable 'r' 10error: 16: cannot modify immutable variable 'l' 11error: 17: cannot assign to this expression 12error: 18: cannot assign to this expression 13error: 21: cannot modify immutable variable 'x' 14error: 22: cannot modify immutable variable 'x' 15error: 23: cannot modify immutable variable 's' 1613 errors 17