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@ ProgramNode (location: (1,0)-(3,8))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(3,8))
└── body: (length: 2)
├── @ CallNode (location: (1,0)-(1,7))
│ ├── receiver:
│ │ @ CallNode (location: (1,0)-(1,3))
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── message_loc: (1,0)-(1,3) = "foo"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ ├── block: ∅
│ │ ├── flags: variable_call
│ │ └── name: "foo"
│ ├── call_operator_loc: (1,3)-(1,4) = "."
│ ├── message_loc: ∅
│ ├── opening_loc: (1,4)-(1,5) = "("
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,5)-(1,6))
│ │ └── arguments: (length: 1)
│ │ └── @ IntegerNode (location: (1,5)-(1,6))
│ │ └── flags: decimal
│ ├── closing_loc: (1,6)-(1,7) = ")"
│ ├── block: ∅
│ ├── flags: ∅
│ └── name: "call"
└── @ CallNode (location: (3,0)-(3,8))
├── receiver:
│ @ CallNode (location: (3,0)-(3,3))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── message_loc: (3,0)-(3,3) = "foo"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ ├── flags: variable_call
│ └── name: "foo"
├── call_operator_loc: (3,3)-(3,5) = "::"
├── message_loc: ∅
├── opening_loc: (3,5)-(3,6) = "("
├── arguments:
│ @ ArgumentsNode (location: (3,6)-(3,7))
│ └── arguments: (length: 1)
│ └── @ IntegerNode (location: (3,6)-(3,7))
│ └── flags: decimal
├── closing_loc: (3,7)-(3,8) = ")"
├── block: ∅
├── flags: ∅
└── name: "call"
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