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path: root/test/prism/snapshots/while.txt
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@ ProgramNode (location: (1,0)-(23,20))
├── locals: [:baz]
└── statements:
    @ StatementsNode (location: (1,0)-(23,20))
    └── body: (length: 12)
        ├── @ WhileNode (location: (1,0)-(1,18))
        │   ├── flags: ∅
        │   ├── keyword_loc: (1,0)-(1,5) = "while"
        │   ├── closing_loc: (1,15)-(1,18) = "end"
        │   ├── predicate:
        │   │   @ TrueNode (location: (1,6)-(1,10))
        │   └── statements:
        │       @ StatementsNode (location: (1,12)-(1,13))
        │       └── body: (length: 1)
        │           └── @ IntegerNode (location: (1,12)-(1,13))
        │               ├── flags: decimal
        │               └── value: 1
        ├── @ WhileNode (location: (3,0)-(3,12))
        │   ├── flags: ∅
        │   ├── keyword_loc: (3,2)-(3,7) = "while"
        │   ├── closing_loc: ∅
        │   ├── predicate:
        │   │   @ TrueNode (location: (3,8)-(3,12))
        │   └── statements:
        │       @ StatementsNode (location: (3,0)-(3,1))
        │       └── body: (length: 1)
        │           └── @ IntegerNode (location: (3,0)-(3,1))
        │               ├── flags: decimal
        │               └── value: 1
        ├── @ CallNode (location: (5,0)-(5,24))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (5,0)-(5,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (5,4)-(5,24))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (5,6)-(5,22))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (5,6)-(5,22))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (5,12)-(5,17) = "while"
        │       │           ├── closing_loc: ∅
        │       │           ├── predicate:
        │       │           │   @ TrueNode (location: (5,18)-(5,22))
        │       │           └── statements:
        │       │               @ StatementsNode (location: (5,6)-(5,11))
        │       │               └── body: (length: 1)
        │       │                   └── @ BreakNode (location: (5,6)-(5,11))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (5,6)-(5,11) = "break"
        │       ├── opening_loc: (5,4)-(5,5) = "{"
        │       └── closing_loc: (5,23)-(5,24) = "}"
        ├── @ CallNode (location: (7,0)-(7,23))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (7,0)-(7,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (7,4)-(7,23))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (7,6)-(7,21))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (7,6)-(7,21))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (7,11)-(7,16) = "while"
        │       │           ├── closing_loc: ∅
        │       │           ├── predicate:
        │       │           │   @ TrueNode (location: (7,17)-(7,21))
        │       │           └── statements:
        │       │               @ StatementsNode (location: (7,6)-(7,10))
        │       │               └── body: (length: 1)
        │       │                   └── @ NextNode (location: (7,6)-(7,10))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (7,6)-(7,10) = "next"
        │       ├── opening_loc: (7,4)-(7,5) = "{"
        │       └── closing_loc: (7,22)-(7,23) = "}"
        ├── @ WhileNode (location: (9,0)-(9,17))
        │   ├── flags: ∅
        │   ├── keyword_loc: (9,7)-(9,12) = "while"
        │   ├── closing_loc: ∅
        │   ├── predicate:
        │   │   @ TrueNode (location: (9,13)-(9,17))
        │   └── statements:
        │       @ StatementsNode (location: (9,0)-(9,6))
        │       └── body: (length: 1)
        │           └── @ ReturnNode (location: (9,0)-(9,6))
        │               ├── keyword_loc: (9,0)-(9,6) = "return"
        │               └── arguments: ∅
        ├── @ WhileNode (location: (11,0)-(11,21))
        │   ├── flags: ∅
        │   ├── keyword_loc: (11,11)-(11,16) = "while"
        │   ├── closing_loc: ∅
        │   ├── predicate:
        │   │   @ CallNode (location: (11,17)-(11,21))
        │   │   ├── flags: ignore_visibility
        │   │   ├── receiver: ∅
        │   │   ├── call_operator_loc: ∅
        │   │   ├── name: :bar?
        │   │   ├── message_loc: (11,17)-(11,21) = "bar?"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments: ∅
        │   │   ├── closing_loc: ∅
        │   │   └── block: ∅
        │   └── statements:
        │       @ StatementsNode (location: (11,0)-(11,10))
        │       └── body: (length: 1)
        │           └── @ CallNode (location: (11,0)-(11,10))
        │               ├── flags: ignore_visibility
        │               ├── receiver: ∅
        │               ├── call_operator_loc: ∅
        │               ├── name: :foo
        │               ├── message_loc: (11,0)-(11,3) = "foo"
        │               ├── opening_loc: ∅
        │               ├── arguments:
        │               │   @ ArgumentsNode (location: (11,4)-(11,10))
        │               │   ├── flags: ∅
        │               │   └── arguments: (length: 2)
        │               │       ├── @ SymbolNode (location: (11,4)-(11,6))
        │               │       │   ├── flags: forced_us_ascii_encoding
        │               │       │   ├── opening_loc: (11,4)-(11,5) = ":"
        │               │       │   ├── value_loc: (11,5)-(11,6) = "a"
        │               │       │   ├── closing_loc: ∅
        │               │       │   └── unescaped: "a"
        │               │       └── @ SymbolNode (location: (11,8)-(11,10))
        │               │           ├── flags: forced_us_ascii_encoding
        │               │           ├── opening_loc: (11,8)-(11,9) = ":"
        │               │           ├── value_loc: (11,9)-(11,10) = "b"
        │               │           ├── closing_loc: ∅
        │               │           └── unescaped: "b"
        │               ├── closing_loc: ∅
        │               └── block: ∅
        ├── @ CallNode (location: (13,0)-(13,58))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (13,0)-(13,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (13,4)-(13,58))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (13,6)-(13,56))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (13,6)-(13,56))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (13,6)-(13,11) = "while"
        │       │           ├── closing_loc: (13,53)-(13,56) = "end"
        │       │           ├── predicate:
        │       │           │   @ DefNode (location: (13,12)-(13,44))
        │       │           │   ├── name: :foo
        │       │           │   ├── name_loc: (13,21)-(13,24) = "foo"
        │       │           │   ├── receiver:
        │       │           │   │   @ SelfNode (location: (13,16)-(13,20))
        │       │           │   ├── parameters:
        │       │           │   │   @ ParametersNode (location: (13,25)-(13,39))
        │       │           │   │   ├── requireds: (length: 0)
        │       │           │   │   ├── optionals: (length: 1)
        │       │           │   │   │   └── @ OptionalParameterNode (location: (13,25)-(13,39))
        │       │           │   │   │       ├── flags: ∅
        │       │           │   │   │       ├── name: :a
        │       │           │   │   │       ├── name_loc: (13,25)-(13,26) = "a"
        │       │           │   │   │       ├── operator_loc: (13,27)-(13,28) = "="
        │       │           │   │   │       └── value:
        │       │           │   │   │           @ CallNode (location: (13,29)-(13,39))
        │       │           │   │   │           ├── flags: ignore_visibility
        │       │           │   │   │           ├── receiver: ∅
        │       │           │   │   │           ├── call_operator_loc: ∅
        │       │           │   │   │           ├── name: :tap
        │       │           │   │   │           ├── message_loc: (13,29)-(13,32) = "tap"
        │       │           │   │   │           ├── opening_loc: ∅
        │       │           │   │   │           ├── arguments: ∅
        │       │           │   │   │           ├── closing_loc: ∅
        │       │           │   │   │           └── block:
        │       │           │   │   │               @ BlockNode (location: (13,33)-(13,39))
        │       │           │   │   │               ├── locals: []
        │       │           │   │   │               ├── parameters: ∅
        │       │           │   │   │               ├── body: ∅
        │       │           │   │   │               ├── opening_loc: (13,33)-(13,35) = "do"
        │       │           │   │   │               └── closing_loc: (13,36)-(13,39) = "end"
        │       │           │   │   ├── rest: ∅
        │       │           │   │   ├── posts: (length: 0)
        │       │           │   │   ├── keywords: (length: 0)
        │       │           │   │   ├── keyword_rest: ∅
        │       │           │   │   └── block: ∅
        │       │           │   ├── body: ∅
        │       │           │   ├── locals: [:a]
        │       │           │   ├── def_keyword_loc: (13,12)-(13,15) = "def"
        │       │           │   ├── operator_loc: (13,20)-(13,21) = "."
        │       │           │   ├── lparen_loc: ∅
        │       │           │   ├── rparen_loc: ∅
        │       │           │   ├── equal_loc: ∅
        │       │           │   └── end_keyword_loc: (13,41)-(13,44) = "end"
        │       │           └── statements:
        │       │               @ StatementsNode (location: (13,46)-(13,51))
        │       │               └── body: (length: 1)
        │       │                   └── @ BreakNode (location: (13,46)-(13,51))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (13,46)-(13,51) = "break"
        │       ├── opening_loc: (13,4)-(13,5) = "{"
        │       └── closing_loc: (13,57)-(13,58) = "}"
        ├── @ CallNode (location: (15,0)-(15,55))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (15,0)-(15,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (15,4)-(15,55))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (15,6)-(15,53))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (15,6)-(15,53))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (15,6)-(15,11) = "while"
        │       │           ├── closing_loc: (15,50)-(15,53) = "end"
        │       │           ├── predicate:
        │       │           │   @ ClassNode (location: (15,12)-(15,41))
        │       │           │   ├── locals: [:a]
        │       │           │   ├── class_keyword_loc: (15,12)-(15,17) = "class"
        │       │           │   ├── constant_path:
        │       │           │   │   @ ConstantReadNode (location: (15,18)-(15,21))
        │       │           │   │   └── name: :Foo
        │       │           │   ├── inheritance_operator_loc: ∅
        │       │           │   ├── superclass: ∅
        │       │           │   ├── body:
        │       │           │   │   @ StatementsNode (location: (15,22)-(15,36))
        │       │           │   │   └── body: (length: 1)
        │       │           │   │       └── @ LocalVariableWriteNode (location: (15,22)-(15,36))
        │       │           │   │           ├── name: :a
        │       │           │   │           ├── depth: 0
        │       │           │   │           ├── name_loc: (15,22)-(15,23) = "a"
        │       │           │   │           ├── value:
        │       │           │   │           │   @ CallNode (location: (15,26)-(15,36))
        │       │           │   │           │   ├── flags: ignore_visibility
        │       │           │   │           │   ├── receiver: ∅
        │       │           │   │           │   ├── call_operator_loc: ∅
        │       │           │   │           │   ├── name: :tap
        │       │           │   │           │   ├── message_loc: (15,26)-(15,29) = "tap"
        │       │           │   │           │   ├── opening_loc: ∅
        │       │           │   │           │   ├── arguments: ∅
        │       │           │   │           │   ├── closing_loc: ∅
        │       │           │   │           │   └── block:
        │       │           │   │           │       @ BlockNode (location: (15,30)-(15,36))
        │       │           │   │           │       ├── locals: []
        │       │           │   │           │       ├── parameters: ∅
        │       │           │   │           │       ├── body: ∅
        │       │           │   │           │       ├── opening_loc: (15,30)-(15,32) = "do"
        │       │           │   │           │       └── closing_loc: (15,33)-(15,36) = "end"
        │       │           │   │           └── operator_loc: (15,24)-(15,25) = "="
        │       │           │   ├── end_keyword_loc: (15,38)-(15,41) = "end"
        │       │           │   └── name: :Foo
        │       │           └── statements:
        │       │               @ StatementsNode (location: (15,43)-(15,48))
        │       │               └── body: (length: 1)
        │       │                   └── @ BreakNode (location: (15,43)-(15,48))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (15,43)-(15,48) = "break"
        │       ├── opening_loc: (15,4)-(15,5) = "{"
        │       └── closing_loc: (15,54)-(15,55) = "}"
        ├── @ CallNode (location: (17,0)-(17,56))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (17,0)-(17,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (17,4)-(17,56))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (17,6)-(17,54))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (17,6)-(17,54))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (17,6)-(17,11) = "while"
        │       │           ├── closing_loc: (17,51)-(17,54) = "end"
        │       │           ├── predicate:
        │       │           │   @ SingletonClassNode (location: (17,12)-(17,42))
        │       │           │   ├── locals: []
        │       │           │   ├── class_keyword_loc: (17,12)-(17,17) = "class"
        │       │           │   ├── operator_loc: (17,18)-(17,20) = "<<"
        │       │           │   ├── expression:
        │       │           │   │   @ SelfNode (location: (17,21)-(17,25))
        │       │           │   ├── body:
        │       │           │   │   @ StatementsNode (location: (17,27)-(17,37))
        │       │           │   │   └── body: (length: 1)
        │       │           │   │       └── @ CallNode (location: (17,27)-(17,37))
        │       │           │   │           ├── flags: ignore_visibility
        │       │           │   │           ├── receiver: ∅
        │       │           │   │           ├── call_operator_loc: ∅
        │       │           │   │           ├── name: :tap
        │       │           │   │           ├── message_loc: (17,27)-(17,30) = "tap"
        │       │           │   │           ├── opening_loc: ∅
        │       │           │   │           ├── arguments: ∅
        │       │           │   │           ├── closing_loc: ∅
        │       │           │   │           └── block:
        │       │           │   │               @ BlockNode (location: (17,31)-(17,37))
        │       │           │   │               ├── locals: []
        │       │           │   │               ├── parameters: ∅
        │       │           │   │               ├── body: ∅
        │       │           │   │               ├── opening_loc: (17,31)-(17,33) = "do"
        │       │           │   │               └── closing_loc: (17,34)-(17,37) = "end"
        │       │           │   └── end_keyword_loc: (17,39)-(17,42) = "end"
        │       │           └── statements:
        │       │               @ StatementsNode (location: (17,44)-(17,49))
        │       │               └── body: (length: 1)
        │       │                   └── @ BreakNode (location: (17,44)-(17,49))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (17,44)-(17,49) = "break"
        │       ├── opening_loc: (17,4)-(17,5) = "{"
        │       └── closing_loc: (17,55)-(17,56) = "}"
        ├── @ CallNode (location: (19,0)-(19,60))
        │   ├── flags: ignore_visibility
        │   ├── receiver: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :tap
        │   ├── message_loc: (19,0)-(19,3) = "tap"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   └── block:
        │       @ BlockNode (location: (19,4)-(19,60))
        │       ├── locals: []
        │       ├── parameters: ∅
        │       ├── body:
        │       │   @ StatementsNode (location: (19,6)-(19,58))
        │       │   └── body: (length: 1)
        │       │       └── @ WhileNode (location: (19,6)-(19,58))
        │       │           ├── flags: ∅
        │       │           ├── keyword_loc: (19,6)-(19,11) = "while"
        │       │           ├── closing_loc: (19,55)-(19,58) = "end"
        │       │           ├── predicate:
        │       │           │   @ SingletonClassNode (location: (19,12)-(19,46))
        │       │           │   ├── locals: [:a]
        │       │           │   ├── class_keyword_loc: (19,12)-(19,17) = "class"
        │       │           │   ├── operator_loc: (19,18)-(19,20) = "<<"
        │       │           │   ├── expression:
        │       │           │   │   @ SelfNode (location: (19,21)-(19,25))
        │       │           │   ├── body:
        │       │           │   │   @ StatementsNode (location: (19,27)-(19,41))
        │       │           │   │   └── body: (length: 1)
        │       │           │   │       └── @ LocalVariableWriteNode (location: (19,27)-(19,41))
        │       │           │   │           ├── name: :a
        │       │           │   │           ├── depth: 0
        │       │           │   │           ├── name_loc: (19,27)-(19,28) = "a"
        │       │           │   │           ├── value:
        │       │           │   │           │   @ CallNode (location: (19,31)-(19,41))
        │       │           │   │           │   ├── flags: ignore_visibility
        │       │           │   │           │   ├── receiver: ∅
        │       │           │   │           │   ├── call_operator_loc: ∅
        │       │           │   │           │   ├── name: :tap
        │       │           │   │           │   ├── message_loc: (19,31)-(19,34) = "tap"
        │       │           │   │           │   ├── opening_loc: ∅
        │       │           │   │           │   ├── arguments: ∅
        │       │           │   │           │   ├── closing_loc: ∅
        │       │           │   │           │   └── block:
        │       │           │   │           │       @ BlockNode (location: (19,35)-(19,41))
        │       │           │   │           │       ├── locals: []
        │       │           │   │           │       ├── parameters: ∅
        │       │           │   │           │       ├── body: ∅
        │       │           │   │           │       ├── opening_loc: (19,35)-(19,37) = "do"
        │       │           │   │           │       └── closing_loc: (19,38)-(19,41) = "end"
        │       │           │   │           └── operator_loc: (19,29)-(19,30) = "="
        │       │           │   └── end_keyword_loc: (19,43)-(19,46) = "end"
        │       │           └── statements:
        │       │               @ StatementsNode (location: (19,48)-(19,53))
        │       │               └── body: (length: 1)
        │       │                   └── @ BreakNode (location: (19,48)-(19,53))
        │       │                       ├── arguments: ∅
        │       │                       └── keyword_loc: (19,48)-(19,53) = "break"
        │       ├── opening_loc: (19,4)-(19,5) = "{"
        │       └── closing_loc: (19,59)-(19,60) = "}"
        ├── @ WhileNode (location: (21,0)-(21,31))
        │   ├── flags: ∅
        │   ├── keyword_loc: (21,0)-(21,5) = "while"
        │   ├── closing_loc: (21,28)-(21,31) = "end"
        │   ├── predicate:
        │   │   @ DefNode (location: (21,6)-(21,26))
        │   │   ├── name: :foo
        │   │   ├── name_loc: (21,10)-(21,13) = "foo"
        │   │   ├── receiver: ∅
        │   │   ├── parameters: ∅
        │   │   ├── body:
        │   │   │   @ StatementsNode (location: (21,16)-(21,26))
        │   │   │   └── body: (length: 1)
        │   │   │       └── @ CallNode (location: (21,16)-(21,26))
        │   │   │           ├── flags: ignore_visibility
        │   │   │           ├── receiver: ∅
        │   │   │           ├── call_operator_loc: ∅
        │   │   │           ├── name: :bar
        │   │   │           ├── message_loc: (21,16)-(21,19) = "bar"
        │   │   │           ├── opening_loc: ∅
        │   │   │           ├── arguments: ∅
        │   │   │           ├── closing_loc: ∅
        │   │   │           └── block:
        │   │   │               @ BlockNode (location: (21,20)-(21,26))
        │   │   │               ├── locals: []
        │   │   │               ├── parameters: ∅
        │   │   │               ├── body: ∅
        │   │   │               ├── opening_loc: (21,20)-(21,22) = "do"
        │   │   │               └── closing_loc: (21,23)-(21,26) = "end"
        │   │   ├── locals: []
        │   │   ├── def_keyword_loc: (21,6)-(21,9) = "def"
        │   │   ├── operator_loc: ∅
        │   │   ├── lparen_loc: ∅
        │   │   ├── rparen_loc: ∅
        │   │   ├── equal_loc: (21,14)-(21,15) = "="
        │   │   └── end_keyword_loc: ∅
        │   └── statements: ∅
        └── @ WhileNode (location: (23,0)-(23,20))
            ├── flags: ∅
            ├── keyword_loc: (23,4)-(23,9) = "while"
            ├── closing_loc: ∅
            ├── predicate:
            │   @ MatchPredicateNode (location: (23,10)-(23,20))
            │   ├── value:
            │   │   @ CallNode (location: (23,10)-(23,13))
            │   │   ├── flags: variable_call, ignore_visibility
            │   │   ├── receiver: ∅
            │   │   ├── call_operator_loc: ∅
            │   │   ├── name: :bar
            │   │   ├── message_loc: (23,10)-(23,13) = "bar"
            │   │   ├── opening_loc: ∅
            │   │   ├── arguments: ∅
            │   │   ├── closing_loc: ∅
            │   │   └── block: ∅
            │   ├── pattern:
            │   │   @ LocalVariableTargetNode (location: (23,17)-(23,20))
            │   │   ├── name: :baz
            │   │   └── depth: 0
            │   └── operator_loc: (23,14)-(23,16) = "in"
            └── statements:
                @ StatementsNode (location: (23,0)-(23,3))
                └── body: (length: 1)
                    └── @ CallNode (location: (23,0)-(23,3))
                        ├── flags: variable_call, ignore_visibility
                        ├── receiver: ∅
                        ├── call_operator_loc: ∅
                        ├── name: :foo
                        ├── message_loc: (23,0)-(23,3) = "foo"
                        ├── opening_loc: ∅
                        ├── arguments: ∅
                        ├── closing_loc: ∅
                        └── block: ∅