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@ ProgramNode (location: (1,0)-(1,15))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,15))
└── body: (length: 1)
└── @ IfNode (location: (1,0)-(1,15))
├── if_keyword_loc: ∅
├── predicate:
│ @ CallNode (location: (1,0)-(1,1))
│ ├── flags: variable_call, ignore_visibility
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :a
│ ├── message_loc: (1,0)-(1,1) = "a"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ └── block: ∅
├── then_keyword_loc: (1,2)-(1,3) = "?"
├── statements:
│ @ StatementsNode (location: (1,4)-(1,10))
│ └── body: (length: 1)
│ └── @ CallNode (location: (1,4)-(1,10))
│ ├── flags: ∅
│ ├── receiver:
│ │ @ CallNode (location: (1,4)-(1,5))
│ │ ├── flags: variable_call, ignore_visibility
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :b
│ │ ├── message_loc: (1,4)-(1,5) = "b"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ └── block: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :&
│ ├── message_loc: (1,6)-(1,7) = "&"
│ ├── opening_loc: ∅
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,8)-(1,10))
│ │ ├── flags: ∅
│ │ └── arguments: (length: 1)
│ │ └── @ StringNode (location: (1,8)-(1,10))
│ │ ├── flags: ∅
│ │ ├── opening_loc: (1,8)-(1,9) = "'"
│ │ ├── content_loc: (1,9)-(1,9) = ""
│ │ ├── closing_loc: (1,9)-(1,10) = "'"
│ │ └── unescaped: ""
│ ├── closing_loc: ∅
│ └── block: ∅
├── consequent:
│ @ ElseNode (location: (1,10)-(1,15))
│ ├── else_keyword_loc: (1,10)-(1,11) = ":"
│ ├── statements:
│ │ @ StatementsNode (location: (1,12)-(1,15))
│ │ └── body: (length: 1)
│ │ └── @ NilNode (location: (1,12)-(1,15))
│ └── end_keyword_loc: ∅
└── end_keyword_loc: ∅
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