@ ProgramNode (location: (1,0)-(1,19)) ├── locals: [] └── statements: @ StatementsNode (location: (1,0)-(1,19)) └── body: (length: 2) ├── @ LambdaNode (location: (1,0)-(1,12)) │ ├── locals: [:scope] │ ├── operator_loc: (1,0)-(1,2) = "->" │ ├── opening_loc: (1,10)-(1,11) = "{" │ ├── closing_loc: (1,11)-(1,12) = "}" │ ├── parameters: │ │ @ BlockParametersNode (location: (1,2)-(1,9)) │ │ ├── parameters: │ │ │ @ ParametersNode (location: (1,3)-(1,8)) │ │ │ ├── requireds: (length: 1) │ │ │ │ └── @ RequiredParameterNode (location: (1,3)-(1,8)) │ │ │ │ ├── flags: ∅ │ │ │ │ └── name: :scope │ │ │ ├── optionals: (length: 0) │ │ │ ├── rest: ∅ │ │ │ ├── posts: (length: 0) │ │ │ ├── keywords: (length: 0) │ │ │ ├── keyword_rest: ∅ │ │ │ └── block: ∅ │ │ ├── locals: (length: 0) │ │ ├── opening_loc: (1,2)-(1,3) = "(" │ │ └── closing_loc: (1,8)-(1,9) = ")" │ └── body: ∅ └── @ CallNode (location: (1,14)-(1,19)) ├── flags: variable_call, ignore_visibility ├── receiver: ∅ ├── call_operator_loc: ∅ ├── name: :scope ├── message_loc: (1,14)-(1,19) = "scope" ├── opening_loc: ∅ ├── arguments: ∅ ├── closing_loc: ∅ └── block: ∅