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@ ProgramNode (location: (1,0)-(1,23))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,23))
└── body: (length: 1)
└── @ LambdaNode (location: (1,0)-(1,23))
├── locals: [:b, :c, :d, :e, :f]
├── operator_loc: (1,0)-(1,2) = "->"
├── opening_loc: (1,21)-(1,22) = "{"
├── closing_loc: (1,22)-(1,23) = "}"
├── parameters:
│ @ BlockParametersNode (location: (1,2)-(1,21))
│ ├── parameters:
│ │ @ ParametersNode (location: (1,3)-(1,20))
│ │ ├── requireds: (length: 1)
│ │ │ └── @ RequiredParameterNode (location: (1,3)-(1,4))
│ │ │ ├── flags: ∅
│ │ │ └── name: :b
│ │ ├── optionals: (length: 1)
│ │ │ └── @ OptionalParameterNode (location: (1,6)-(1,9))
│ │ │ ├── flags: ∅
│ │ │ ├── name: :c
│ │ │ ├── name_loc: (1,6)-(1,7) = "c"
│ │ │ ├── operator_loc: (1,7)-(1,8) = "="
│ │ │ └── value:
│ │ │ @ IntegerNode (location: (1,8)-(1,9))
│ │ │ ├── flags: decimal
│ │ │ └── value: 1
│ │ ├── rest:
│ │ │ @ RestParameterNode (location: (1,11)-(1,13))
│ │ │ ├── flags: ∅
│ │ │ ├── name: :d
│ │ │ ├── name_loc: (1,12)-(1,13) = "d"
│ │ │ └── operator_loc: (1,11)-(1,12) = "*"
│ │ ├── posts: (length: 1)
│ │ │ └── @ RequiredParameterNode (location: (1,15)-(1,16))
│ │ │ ├── flags: ∅
│ │ │ └── name: :e
│ │ ├── keywords: (length: 0)
│ │ ├── keyword_rest: ∅
│ │ └── block:
│ │ @ BlockParameterNode (location: (1,18)-(1,20))
│ │ ├── flags: ∅
│ │ ├── name: :f
│ │ ├── name_loc: (1,19)-(1,20) = "f"
│ │ └── operator_loc: (1,18)-(1,19) = "&"
│ ├── locals: (length: 0)
│ ├── opening_loc: (1,2)-(1,3) = "("
│ └── closing_loc: (1,20)-(1,21) = ")"
└── body: ∅
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