@ ProgramNode (location: (1,0)-(1,3))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,3))
    └── body: (length: 1)
        └── @ RangeNode (location: (1,0)-(1,3))
            ├── flags: ∅
            ├── left: ∅
            ├── right:
            │   @ IntegerNode (location: (1,2)-(1,3))
            │   └── flags: decimal
            └── operator_loc: (1,0)-(1,2) = ".."
