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@ ProgramNode (location: (1,0)-(4,3))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(4,3))
└── body: (length: 2)
├── @ CallNode (location: (1,0)-(1,3))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :a
│ ├── message_loc: (1,0)-(1,1) = "a"
│ ├── opening_loc: ∅
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,2)-(1,3))
│ │ ├── arguments: (length: 1)
│ │ │ └── @ IntegerNode (location: (1,2)-(1,3))
│ │ │ └── flags: decimal
│ │ └── flags: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: ∅
└── @ CallNode (location: (2,0)-(4,3))
├── receiver:
│ @ CallNode (location: (2,0)-(2,1))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :a
│ ├── message_loc: (2,0)-(2,1) = "a"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: variable_call
├── call_operator_loc: (2,1)-(2,2) = "."
├── name: :b
├── message_loc: (2,2)-(2,3) = "b"
├── opening_loc: ∅
├── arguments: ∅
├── closing_loc: ∅
├── block:
│ @ BlockNode (location: (2,4)-(4,3))
│ ├── locals: [:c]
│ ├── parameters:
│ │ @ BlockParametersNode (location: (2,7)-(2,10))
│ │ ├── parameters:
│ │ │ @ ParametersNode (location: (2,8)-(2,9))
│ │ │ ├── requireds: (length: 1)
│ │ │ │ └── @ RequiredParameterNode (location: (2,8)-(2,9))
│ │ │ │ └── name: :c
│ │ │ ├── optionals: (length: 0)
│ │ │ ├── rest: ∅
│ │ │ ├── posts: (length: 0)
│ │ │ ├── keywords: (length: 0)
│ │ │ ├── keyword_rest: ∅
│ │ │ └── block: ∅
│ │ ├── locals: (length: 0)
│ │ ├── opening_loc: (2,7)-(2,8) = "|"
│ │ └── closing_loc: (2,9)-(2,10) = "|"
│ ├── body: ∅
│ ├── opening_loc: (2,4)-(2,6) = "do"
│ ├── closing_loc: (4,0)-(4,3) = "end"
│ └── numbered_parameters: 0
└── flags: ∅
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