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@ ProgramNode (location: (1,0)-(3,6))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(3,6))
└── body: (length: 2)
├── @ CallNode (location: (1,0)-(1,7))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── message_loc: (1,0)-(1,1) = "x"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block:
│ │ @ BlockNode (location: (1,1)-(1,7))
│ │ ├── locals: [:a]
│ │ ├── parameters:
│ │ │ @ BlockParametersNode (location: (1,2)-(1,6))
│ │ │ ├── parameters:
│ │ │ │ @ ParametersNode (location: (1,3)-(1,5))
│ │ │ │ ├── requireds: (length: 1)
│ │ │ │ │ └── @ RequiredParameterNode (location: (1,3)-(1,4))
│ │ │ │ │ └── name: :a
│ │ │ │ ├── optionals: (length: 0)
│ │ │ │ ├── rest:
│ │ │ │ │ @ RestParameterNode (location: (1,4)-(1,5))
│ │ │ │ │ ├── name: nil
│ │ │ │ │ ├── name_loc: ∅
│ │ │ │ │ └── operator_loc: (1,4)-(1,5) = ","
│ │ │ │ ├── posts: (length: 0)
│ │ │ │ ├── keywords: (length: 0)
│ │ │ │ ├── keyword_rest: ∅
│ │ │ │ └── block: ∅
│ │ │ ├── locals: (length: 0)
│ │ │ ├── opening_loc: (1,2)-(1,3) = "|"
│ │ │ └── closing_loc: (1,5)-(1,6) = "|"
│ │ ├── body: ∅
│ │ ├── opening_loc: (1,1)-(1,2) = "{"
│ │ └── closing_loc: (1,6)-(1,7) = "}"
│ ├── flags: ∅
│ └── name: "x"
└── @ CallNode (location: (3,0)-(3,6))
├── receiver: ∅
├── call_operator_loc: ∅
├── message_loc: (3,0)-(3,1) = "x"
├── opening_loc: ∅
├── arguments: ∅
├── closing_loc: ∅
├── block:
│ @ BlockNode (location: (3,1)-(3,6))
│ ├── locals: [:a]
│ ├── parameters:
│ │ @ BlockParametersNode (location: (3,2)-(3,5))
│ │ ├── parameters:
│ │ │ @ ParametersNode (location: (3,3)-(3,4))
│ │ │ ├── requireds: (length: 1)
│ │ │ │ └── @ RequiredParameterNode (location: (3,3)-(3,4))
│ │ │ │ └── name: :a
│ │ │ ├── optionals: (length: 0)
│ │ │ ├── rest: ∅
│ │ │ ├── posts: (length: 0)
│ │ │ ├── keywords: (length: 0)
│ │ │ ├── keyword_rest: ∅
│ │ │ └── block: ∅
│ │ ├── locals: (length: 0)
│ │ ├── opening_loc: (3,2)-(3,3) = "|"
│ │ └── closing_loc: (3,4)-(3,5) = "|"
│ ├── body: ∅
│ ├── opening_loc: (3,1)-(3,2) = "{"
│ └── closing_loc: (3,5)-(3,6) = "}"
├── flags: ∅
└── name: "x"
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