@ ProgramNode (location: (0...12))
├── locals: [:a]
└── statements:
    @ StatementsNode (location: (0...12))
    └── body: (length: 1)
        └── @ MultiWriteNode (location: (0...12))
            ├── targets: (length: 1)
            │   └── @ SplatNode (location: (0...2))
            │       ├── operator_loc: (0...1) = "*"
            │       └── expression:
            │           @ LocalVariableTargetNode (location: (1...2))
            │           ├── name: :a
            │           └── depth: 0
            ├── lparen_loc: ∅
            ├── rparen_loc: ∅
            ├── operator_loc: (3...4) = "="
            └── value:
                @ ArrayNode (location: (5...12))
                ├── elements: (length: 3)
                │   ├── @ IntegerNode (location: (5...6))
                │   │   └── flags: decimal
                │   ├── @ IntegerNode (location: (8...9))
                │   │   └── flags: decimal
                │   └── @ IntegerNode (location: (11...12))
                │       └── flags: decimal
                ├── opening_loc: ∅
                └── closing_loc: ∅
