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@ ProgramNode (location: (1,0)-(1,20))
├── locals: [:a, :b]
└── statements:
@ StatementsNode (location: (1,0)-(1,20))
└── body: (length: 1)
└── @ IfNode (location: (1,0)-(1,20))
├── if_keyword_loc: (1,0)-(1,2) = "if"
├── predicate:
│ @ ParenthesesNode (location: (1,3)-(1,15))
│ ├── body:
│ │ @ StatementsNode (location: (1,4)-(1,14))
│ │ └── body: (length: 1)
│ │ └── @ MultiWriteNode (location: (1,4)-(1,14))
│ │ ├── lefts: (length: 2)
│ │ │ ├── @ LocalVariableTargetNode (location: (1,4)-(1,5))
│ │ │ │ ├── name: :a
│ │ │ │ └── depth: 0
│ │ │ └── @ LocalVariableTargetNode (location: (1,7)-(1,8))
│ │ │ ├── name: :b
│ │ │ └── depth: 0
│ │ ├── rest: ∅
│ │ ├── rights: (length: 0)
│ │ ├── lparen_loc: ∅
│ │ ├── rparen_loc: ∅
│ │ ├── operator_loc: (1,9)-(1,10) = "="
│ │ └── value:
│ │ @ CallNode (location: (1,11)-(1,14))
│ │ ├── flags: variable_call, ignore_visibility
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :foo
│ │ ├── message_loc: (1,11)-(1,14) = "foo"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ └── block: ∅
│ ├── opening_loc: (1,3)-(1,4) = "("
│ └── closing_loc: (1,14)-(1,15) = ")"
├── then_keyword_loc: ∅
├── statements: ∅
├── consequent: ∅
└── end_keyword_loc: (1,17)-(1,20) = "end"
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