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@ ProgramNode (location: (1,0)-(1,38))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,38))
└── body: (length: 1)
└── @ CaseNode (location: (1,0)-(1,38))
├── predicate: ∅
├── conditions: (length: 1)
│ └── @ WhenNode (location: (1,6)-(1,21))
│ ├── keyword_loc: (1,6)-(1,10) = "when"
│ ├── conditions: (length: 1)
│ │ └── @ CallNode (location: (1,11)-(1,14))
│ │ ├── flags: variable_call, ignore_visibility
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :foo
│ │ ├── message_loc: (1,11)-(1,14) = "foo"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ └── block: ∅
│ ├── then_keyword_loc: ∅
│ └── statements:
│ @ StatementsNode (location: (1,16)-(1,21))
│ └── body: (length: 1)
│ └── @ StringNode (location: (1,16)-(1,21))
│ ├── flags: ∅
│ ├── opening_loc: (1,16)-(1,17) = "'"
│ ├── content_loc: (1,17)-(1,20) = "foo"
│ ├── closing_loc: (1,20)-(1,21) = "'"
│ └── unescaped: "foo"
├── consequent:
│ @ ElseNode (location: (1,23)-(1,38))
│ ├── else_keyword_loc: (1,23)-(1,27) = "else"
│ ├── statements:
│ │ @ StatementsNode (location: (1,28)-(1,33))
│ │ └── body: (length: 1)
│ │ └── @ StringNode (location: (1,28)-(1,33))
│ │ ├── flags: ∅
│ │ ├── opening_loc: (1,28)-(1,29) = "'"
│ │ ├── content_loc: (1,29)-(1,32) = "bar"
│ │ ├── closing_loc: (1,32)-(1,33) = "'"
│ │ └── unescaped: "bar"
│ └── end_keyword_loc: (1,35)-(1,38) = "end"
├── case_keyword_loc: (1,0)-(1,4) = "case"
└── end_keyword_loc: (1,35)-(1,38) = "end"
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