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@ ProgramNode (location: (1,0)-(1,34))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,34))
└── body: (length: 1)
└── @ CaseNode (location: (1,0)-(1,34))
├── predicate:
│ @ CallNode (location: (1,5)-(1,8))
│ ├── flags: variable_call, ignore_visibility
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :foo
│ ├── message_loc: (1,5)-(1,8) = "foo"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ └── block: ∅
├── conditions: (length: 1)
│ └── @ WhenNode (location: (1,10)-(1,29))
│ ├── keyword_loc: (1,10)-(1,14) = "when"
│ ├── conditions: (length: 1)
│ │ └── @ StringNode (location: (1,15)-(1,20))
│ │ ├── flags: frozen
│ │ ├── opening_loc: (1,15)-(1,16) = "'"
│ │ ├── content_loc: (1,16)-(1,19) = "bar"
│ │ ├── closing_loc: (1,19)-(1,20) = "'"
│ │ └── unescaped: "bar"
│ ├── then_keyword_loc: (1,21)-(1,25) = "then"
│ └── statements:
│ @ StatementsNode (location: (1,26)-(1,29))
│ └── body: (length: 1)
│ └── @ CallNode (location: (1,26)-(1,29))
│ ├── flags: variable_call, ignore_visibility
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :bar
│ ├── message_loc: (1,26)-(1,29) = "bar"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ └── block: ∅
├── consequent: ∅
├── case_keyword_loc: (1,0)-(1,4) = "case"
└── end_keyword_loc: (1,31)-(1,34) = "end"
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