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@ ProgramNode (location: (1,0)-(9,18))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(9,18))
└── body: (length: 5)
├── @ DefNode (location: (1,0)-(1,18))
│ ├── name: :foo
│ ├── name_loc: (1,10)-(1,13) = "foo"
│ ├── receiver:
│ │ @ ParenthesesNode (location: (1,4)-(1,9))
│ │ ├── body:
│ │ │ @ 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: ∅
│ │ ├── opening_loc: (1,4)-(1,5) = "("
│ │ └── closing_loc: (1,8)-(1,9) = ")"
│ ├── parameters: ∅
│ ├── body: ∅
│ ├── locals: []
│ ├── def_keyword_loc: (1,0)-(1,3) = "def"
│ ├── operator_loc: (1,9)-(1,10) = "."
│ ├── lparen_loc: ∅
│ ├── rparen_loc: ∅
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (1,15)-(1,18) = "end"
├── @ DefNode (location: (3,0)-(3,19))
│ ├── name: :foo
│ ├── name_loc: (3,11)-(3,14) = "foo"
│ ├── receiver:
│ │ @ ConstantReadNode (location: (3,4)-(3,10))
│ │ └── name: :String
│ ├── parameters: ∅
│ ├── body: ∅
│ ├── locals: []
│ ├── def_keyword_loc: (3,0)-(3,3) = "def"
│ ├── operator_loc: (3,10)-(3,11) = "."
│ ├── lparen_loc: ∅
│ ├── rparen_loc: ∅
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (3,16)-(3,19) = "end"
├── @ DefNode (location: (5,0)-(5,20))
│ ├── name: :foo
│ ├── name_loc: (5,12)-(5,15) = "foo"
│ ├── receiver:
│ │ @ ConstantReadNode (location: (5,4)-(5,10))
│ │ └── name: :String
│ ├── parameters: ∅
│ ├── body: ∅
│ ├── locals: []
│ ├── def_keyword_loc: (5,0)-(5,3) = "def"
│ ├── operator_loc: (5,10)-(5,12) = "::"
│ ├── lparen_loc: ∅
│ ├── rparen_loc: ∅
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (5,17)-(5,20) = "end"
├── @ DefNode (location: (7,0)-(7,17))
│ ├── name: :foo
│ ├── name_loc: (7,9)-(7,12) = "foo"
│ ├── receiver:
│ │ @ SelfNode (location: (7,4)-(7,8))
│ ├── parameters: ∅
│ ├── body: ∅
│ ├── locals: []
│ ├── def_keyword_loc: (7,0)-(7,3) = "def"
│ ├── operator_loc: (7,8)-(7,9) = "."
│ ├── lparen_loc: ∅
│ ├── rparen_loc: ∅
│ ├── equal_loc: ∅
│ └── end_keyword_loc: (7,14)-(7,17) = "end"
└── @ DefNode (location: (9,0)-(9,18))
├── name: :foo
├── name_loc: (9,10)-(9,13) = "foo"
├── receiver:
│ @ SelfNode (location: (9,4)-(9,8))
├── parameters: ∅
├── body: ∅
├── locals: []
├── def_keyword_loc: (9,0)-(9,3) = "def"
├── operator_loc: (9,8)-(9,10) = "::"
├── lparen_loc: ∅
├── rparen_loc: ∅
├── equal_loc: ∅
└── end_keyword_loc: (9,15)-(9,18) = "end"
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