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@ ProgramNode (location: (1,0)-(1,25))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,25))
└── body: (length: 1)
└── @ LambdaNode (location: (1,0)-(1,25))
├── locals: [:a, :b]
├── operator_loc: (1,0)-(1,2) = "->"
├── opening_loc: (1,13)-(1,14) = "{"
├── closing_loc: (1,24)-(1,25) = "}"
├── parameters:
│ @ BlockParametersNode (location: (1,2)-(1,12))
│ ├── parameters:
│ │ @ ParametersNode (location: (1,3)-(1,11))
│ │ ├── requireds: (length: 1)
│ │ │ └── @ RequiredParameterNode (location: (1,3)-(1,4))
│ │ │ └── name: :a
│ │ ├── optionals: (length: 1)
│ │ │ └── @ OptionalParameterNode (location: (1,6)-(1,11))
│ │ │ ├── name: :b
│ │ │ ├── name_loc: (1,6)-(1,7) = "b"
│ │ │ ├── operator_loc: (1,7)-(1,8) = "="
│ │ │ └── value:
│ │ │ @ NilNode (location: (1,8)-(1,11))
│ │ ├── rest: ∅
│ │ ├── posts: (length: 0)
│ │ ├── keywords: (length: 0)
│ │ ├── keyword_rest: ∅
│ │ └── block: ∅
│ ├── locals: (length: 0)
│ ├── opening_loc: (1,2)-(1,3) = "("
│ └── closing_loc: (1,11)-(1,12) = ")"
├── body:
│ @ StatementsNode (location: (1,15)-(1,23))
│ └── body: (length: 1)
│ └── @ CallNode (location: (1,15)-(1,23))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :p
│ ├── message_loc: (1,15)-(1,16) = "p"
│ ├── opening_loc: ∅
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,17)-(1,23))
│ │ ├── arguments: (length: 1)
│ │ │ └── @ ArrayNode (location: (1,17)-(1,23))
│ │ │ ├── elements: (length: 2)
│ │ │ │ ├── @ LocalVariableReadNode (location: (1,18)-(1,19))
│ │ │ │ │ ├── name: :a
│ │ │ │ │ └── depth: 0
│ │ │ │ └── @ LocalVariableReadNode (location: (1,21)-(1,22))
│ │ │ │ ├── name: :b
│ │ │ │ └── depth: 0
│ │ │ ├── opening_loc: (1,17)-(1,18) = "["
│ │ │ ├── closing_loc: (1,22)-(1,23) = "]"
│ │ │ └── flags: ∅
│ │ └── flags: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: ∅
└── numbered_parameters: 0
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