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@ ProgramNode (location: (1,0)-(8,1))
├── locals: [:o]
└── statements:
@ StatementsNode (location: (1,0)-(8,1))
└── body: (length: 2)
├── @ DefNode (location: (1,0)-(3,3))
│ ├── name: :a
│ ├── name_loc: (1,4)-(1,5) = "a"
│ ├── receiver: ∅
│ ├── parameters:
│ │ @ ParametersNode (location: (1,6)-(1,8))
│ │ ├── requireds: (length: 0)
│ │ ├── optionals: (length: 0)
│ │ ├── rest: ∅
│ │ ├── posts: (length: 0)
│ │ ├── keywords: (length: 1)
│ │ │ └── @ RequiredKeywordParameterNode (location: (1,6)-(1,8))
│ │ │ ├── name: :b
│ │ │ └── name_loc: (1,6)-(1,8) = "b:"
│ │ ├── keyword_rest: ∅
│ │ └── block: ∅
│ ├── body:
│ │ @ StatementsNode (location: (2,0)-(2,6))
│ │ └── body: (length: 1)
│ │ └── @ ReturnNode (location: (2,0)-(2,6))
│ │ ├── keyword_loc: (2,0)-(2,6) = "return"
│ │ └── arguments: ∅
│ ├── locals: [:b]
│ ├── locals_body_index: 1
│ ├── def_keyword_loc: (1,0)-(1,3) = "def"
│ ├── operator_loc: ∅
│ ├── lparen_loc: ∅
│ ├── rparen_loc: ∅
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (3,0)-(3,3) = "end"
└── @ LocalVariableWriteNode (location: (5,0)-(8,1))
├── name: :o
├── depth: 0
├── name_loc: (5,0)-(5,1) = "o"
├── value:
│ @ HashNode (location: (5,4)-(8,1))
│ ├── opening_loc: (5,4)-(5,5) = "{"
│ ├── elements: (length: 1)
│ │ └── @ AssocNode (location: (6,0)-(7,1))
│ │ ├── key:
│ │ │ @ SymbolNode (location: (6,0)-(6,2))
│ │ │ ├── flags: ∅
│ │ │ ├── opening_loc: ∅
│ │ │ ├── value_loc: (6,0)-(6,1) = "a"
│ │ │ ├── closing_loc: (6,1)-(6,2) = ":"
│ │ │ └── unescaped: "a"
│ │ ├── value:
│ │ │ @ IntegerNode (location: (7,0)-(7,1))
│ │ │ └── flags: decimal
│ │ └── operator_loc: ∅
│ └── closing_loc: (8,0)-(8,1) = "}"
└── operator_loc: (5,2)-(5,3) = "="
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