@ DocumentNode (location: (1:0)-(8:0))
└── children: (2 items)
    ├── @ ERBIfNode (location: (1:0)-(7:9))
    │   ├── tag_opening: "<%" (location: (1:0)-(1:2))
    │   ├── content: " if true " (location: (1:2)-(1:11))
    │   ├── tag_closing: "%>" (location: (1:11)-(1:13))
    │   ├── statements: (3 items)
    │   │   ├── @ HTMLTextNode (location: (1:13)-(2:2))
    │   │   │   └── content: "\n  "
    │   │   │
    │   │   ├── @ ERBIfNode (location: (2:2)-(6:11))
    │   │   │   ├── tag_opening: "<%" (location: (2:2)-(2:4))
    │   │   │   ├── content: " if false " (location: (2:4)-(2:14))
    │   │   │   ├── tag_closing: "%>" (location: (2:14)-(2:16))
    │   │   │   ├── statements: (3 items)
    │   │   │   │   ├── @ HTMLTextNode (location: (2:16)-(3:4))
    │   │   │   │   │   └── content: "\n    "
    │   │   │   │   │
    │   │   │   │   ├── @ ERBIfNode (location: (3:4)-(5:13))
    │   │   │   │   │   ├── tag_opening: "<%" (location: (3:4)-(3:6))
    │   │   │   │   │   ├── content: " if nil " (location: (3:6)-(3:14))
    │   │   │   │   │   ├── tag_closing: "%>" (location: (3:14)-(3:16))
    │   │   │   │   │   ├── statements: (1 item)
    │   │   │   │   │   │   └── @ HTMLTextNode (location: (3:16)-(5:4))
    │   │   │   │   │   │       └── content: "\n      true & false & nil\n    "
    │   │   │   │   │   │
    │   │   │   │   │   ├── subsequent: ∅
    │   │   │   │   │   └── end_node:
    │   │   │   │   │       └── @ ERBEndNode (location: (5:4)-(5:13))
    │   │   │   │   │           ├── tag_opening: "<%" (location: (5:4)-(5:6))
    │   │   │   │   │           ├── content: " end " (location: (5:6)-(5:11))
    │   │   │   │   │           └── tag_closing: "%>" (location: (5:11)-(5:13))
    │   │   │   │   │
    │   │   │   │   │
    │   │   │   │   └── @ HTMLTextNode (location: (5:13)-(6:2))
    │   │   │   │       └── content: "\n  "
    │   │   │   │
    │   │   │   ├── subsequent: ∅
    │   │   │   └── end_node:
    │   │   │       └── @ ERBEndNode (location: (6:2)-(6:11))
    │   │   │           ├── tag_opening: "<%" (location: (6:2)-(6:4))
    │   │   │           ├── content: " end " (location: (6:4)-(6:9))
    │   │   │           └── tag_closing: "%>" (location: (6:9)-(6:11))
    │   │   │
    │   │   │
    │   │   └── @ HTMLTextNode (location: (6:11)-(7:0))
    │   │       └── content: "\n"
    │   │
    │   ├── subsequent: ∅
    │   └── end_node:
    │       └── @ ERBEndNode (location: (7:0)-(7:9))
    │           ├── tag_opening: "<%" (location: (7:0)-(7:2))
    │           ├── content: " end " (location: (7:2)-(7:7))
    │           └── tag_closing: "%>" (location: (7:7)-(7:9))
    │
    │
    └── @ HTMLTextNode (location: (7:9)-(8:0))
        └── content: "\n"