@ DocumentNode (location: (1:0)-(2:0))
└── children: (2 items)
    ├── @ ERBContentNode (location: (1:0)-(1:42))
    │   ├── tag_opening: "<%=" (location: (1:0)-(1:3))
    │   ├── content: " render 'partial' if user_signed_in? " (location: (1:3)-(1:40))
    │   ├── tag_closing: "%>" (location: (1:40)-(1:42))
    │   ├── parsed: true
    │   └── valid: true
    │
    └── @ HTMLTextNode (location: (1:42)-(2:0))
        └── content: "\n"