| *%(basename)s:21: TypeError: Converting circular structure to JSON |
| --> starting at object with constructor 'Object' |
| | property 'first' -> object with constructor 'Outer' |
| | property 'x' -> object with constructor 'ArrayHolder' |
| | property 'array' -> object with constructor 'Array' |
| --- index 1 closes the circle |
| JSON.stringify(root); |
| ^ |
| TypeError: Converting circular structure to JSON |
| --> starting at object with constructor 'Object' |
| | property 'first' -> object with constructor 'Outer' |
| | property 'x' -> object with constructor 'ArrayHolder' |
| | property 'array' -> object with constructor 'Array' |
| --- index 1 closes the circle |
| at JSON.stringify (<anonymous>) |
| at *%(basename)s:21:6 |
| |
