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@ ProgramNode (location: (1,0)-(1,27))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,27))
└── body: (length: 1)
└── @ ReturnNode (location: (1,0)-(1,27))
├── keyword_loc: (1,0)-(1,6) = "return"
└── arguments:
@ ArgumentsNode (location: (1,7)-(1,27))
├── arguments: (length: 1)
│ └── @ CallNode (location: (1,7)-(1,27))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :foo
│ ├── message_loc: (1,7)-(1,10) = "foo"
│ ├── opening_loc: ∅
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,11)-(1,14))
│ │ ├── arguments: (length: 1)
│ │ │ └── @ CallNode (location: (1,11)-(1,14))
│ │ │ ├── receiver: ∅
│ │ │ ├── call_operator_loc: ∅
│ │ │ ├── name: :arg
│ │ │ ├── message_loc: (1,11)-(1,14) = "arg"
│ │ │ ├── opening_loc: ∅
│ │ │ ├── arguments: ∅
│ │ │ ├── closing_loc: ∅
│ │ │ ├── block: ∅
│ │ │ └── flags: variable_call
│ │ └── flags: ∅
│ ├── closing_loc: ∅
│ ├── block:
│ │ @ BlockNode (location: (1,15)-(1,27))
│ │ ├── locals: [:bar]
│ │ ├── parameters:
│ │ │ @ BlockParametersNode (location: (1,18)-(1,23))
│ │ │ ├── parameters:
│ │ │ │ @ ParametersNode (location: (1,19)-(1,22))
│ │ │ │ ├── requireds: (length: 1)
│ │ │ │ │ └── @ RequiredParameterNode (location: (1,19)-(1,22))
│ │ │ │ │ └── name: :bar
│ │ │ │ ├── optionals: (length: 0)
│ │ │ │ ├── rest: ∅
│ │ │ │ ├── posts: (length: 0)
│ │ │ │ ├── keywords: (length: 0)
│ │ │ │ ├── keyword_rest: ∅
│ │ │ │ └── block: ∅
│ │ │ ├── locals: (length: 0)
│ │ │ ├── opening_loc: (1,18)-(1,19) = "|"
│ │ │ └── closing_loc: (1,22)-(1,23) = "|"
│ │ ├── body: ∅
│ │ ├── opening_loc: (1,15)-(1,17) = "do"
│ │ ├── closing_loc: (1,24)-(1,27) = "end"
│ │ └── numbered_parameters: 0
│ └── flags: ∅
└── flags: ∅
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