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@ ProgramNode (location: (1,0)-(1,12))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,12))
└── body: (length: 1)
└── @ CallNode (location: (1,0)-(1,12))
├── receiver:
│ @ CallNode (location: (1,0)-(1,1))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :a
│ ├── message_loc: (1,0)-(1,1) = "a"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: variable_call
├── call_operator_loc: (1,1)-(1,3) = "::"
├── name: :b
├── message_loc: (1,3)-(1,4) = "b"
├── opening_loc: ∅
├── arguments:
│ @ ArgumentsNode (location: (1,5)-(1,8))
│ ├── arguments: (length: 1)
│ │ └── @ ParenthesesNode (location: (1,5)-(1,8))
│ │ ├── body:
│ │ │ @ StatementsNode (location: (1,6)-(1,7))
│ │ │ └── body: (length: 1)
│ │ │ └── @ IntegerNode (location: (1,6)-(1,7))
│ │ │ └── flags: decimal
│ │ ├── opening_loc: (1,5)-(1,6) = "("
│ │ └── closing_loc: (1,7)-(1,8) = ")"
│ └── flags: ∅
├── closing_loc: ∅
├── block:
│ @ BlockNode (location: (1,9)-(1,12))
│ ├── locals: []
│ ├── parameters: ∅
│ ├── body:
│ │ @ StatementsNode (location: (1,10)-(1,11))
│ │ └── body: (length: 1)
│ │ └── @ CallNode (location: (1,10)-(1,11))
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :c
│ │ ├── message_loc: (1,10)-(1,11) = "c"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ ├── block: ∅
│ │ └── flags: variable_call
│ ├── opening_loc: (1,9)-(1,10) = "{"
│ ├── closing_loc: (1,11)-(1,12) = "}"
│ └── numbered_parameters: 0
└── flags: ∅
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