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[parser] added test case for missing expr parsing #SCL-23798
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‎scala/scala-impl/test/org/jetbrains/plugins/scala/lang/parser/scala3/ExprParserTest.scala‎

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@@ -2569,4 +2569,232 @@ class ExprParserTest extends SimpleScala3ParserTestBase {
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| PsiWhiteSpace('\n')
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|""".stripMargin
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)
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def test_missing_expr(): Unit = checkTree(
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"""
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|class A {
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| def foo1 =
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| def foo2: String =
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|
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| val value1 =
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| val value2: String =
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|
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| var variable1 =
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| var variable2: String =
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|
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| def test(param: Int = ) = ()
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|
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| for { x <- } ()
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| for { y <- } ()
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|}
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|
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|""".stripMargin,
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"""
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|ScalaFile
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| PsiWhiteSpace('\n')
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| ScClass: A
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(class)('class')
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| PsiWhiteSpace(' ')
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| PsiElement(identifier)('A')
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| PrimaryConstructor
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| Parameters
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| <empty list>
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| PsiWhiteSpace(' ')
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| ExtendsBlock
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| ScTemplateBody
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| PsiElement({)('{')
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| PsiWhiteSpace('\n ')
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| ScFunctionDefinition: foo1
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(def)('def')
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| PsiWhiteSpace(' ')
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| PsiElement(identifier)('foo1')
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| Parameters
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| <empty list>
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace('\n ')
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| ScFunctionDefinition: foo2
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(def)('def')
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| PsiWhiteSpace(' ')
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| PsiElement(identifier)('foo2')
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| Parameters
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| <empty list>
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| PsiElement(:)(':')
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| PsiWhiteSpace(' ')
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| SimpleType: String
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| CodeReferenceElement: String
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| PsiElement(identifier)('String')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Wrong expression
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| <empty list>
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| PsiWhiteSpace('\n\n ')
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| ScPatternDefinition: value1
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(val)('val')
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| PsiWhiteSpace(' ')
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| ListOfPatterns
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| ReferencePattern: value1
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| PsiElement(identifier)('value1')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace('\n ')
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| ScPatternDefinition: value2
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(val)('val')
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| PsiWhiteSpace(' ')
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| ListOfPatterns
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| ReferencePattern: value2
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| PsiElement(identifier)('value2')
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| PsiElement(:)(':')
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| PsiWhiteSpace(' ')
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| SimpleType: String
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| CodeReferenceElement: String
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| PsiElement(identifier)('String')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace('\n\n ')
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| ScVariableDefinition: variable1
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(var)('var')
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| PsiWhiteSpace(' ')
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| ListOfPatterns
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| ReferencePattern: variable1
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| PsiElement(identifier)('variable1')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace('\n ')
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| ScVariableDefinition: variable2
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(var)('var')
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| PsiWhiteSpace(' ')
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| ListOfPatterns
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| ReferencePattern: variable2
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| PsiElement(identifier)('variable2')
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| PsiElement(:)(':')
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| PsiWhiteSpace(' ')
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| SimpleType: String
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| CodeReferenceElement: String
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| PsiElement(identifier)('String')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace('\n\n ')
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| ScFunctionDefinition: test
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| AnnotationsList
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| <empty list>
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| Modifiers
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| <empty list>
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| PsiElement(def)('def')
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| PsiElement(identifier)('test')
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| Parameters
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| ParametersClause
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| PsiElement(()('(')
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| Parameter: param
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| <empty list>
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| PsiElement(identifier)('param')
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| PsiWhiteSpace(' ')
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| ParameterType
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| SimpleType: Int
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| CodeReferenceElement: Int
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| PsiElement(identifier)('Int')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiErrorElement:Expression expected
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| <empty list>
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| PsiWhiteSpace(' ')
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| PsiElement())(')')
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| PsiWhiteSpace(' ')
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| PsiElement(=)('=')
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| PsiWhiteSpace(' ')
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| UnitExpression
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| PsiElement(()('(')
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| PsiElement())(')')
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| PsiWhiteSpace('\n\n ')
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| ForStatement
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| PsiElement(for)('for')
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| PsiElement({)('{')
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| PsiWhiteSpace(' ')
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| Enumerators
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| Generator
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| ReferencePattern: x
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| PsiElement(identifier)('x')
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| PsiWhiteSpace(' ')
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| PsiElement(<-)('<-')
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| PsiErrorElement:Wrong expression
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| <empty list>
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| PsiWhiteSpace(' ')
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| PsiElement(})('}')
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| PsiWhiteSpace(' ')
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| UnitExpression
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| PsiElement(()('(')
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| PsiElement())(')')
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| PsiWhiteSpace('\n ')
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| ForStatement
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| PsiElement(for)('for')
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| PsiWhiteSpace(' ')
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| PsiElement({)('{')
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| PsiWhiteSpace(' ')
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| Enumerators
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| Generator
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| ReferencePattern: y
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| PsiElement(identifier)('y')
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| PsiWhiteSpace(' ')
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| PsiElement(<-)('<-')
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| PsiErrorElement:Wrong expression
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| <empty list>
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| PsiWhiteSpace(' ')
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| PsiElement(})('}')
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| PsiWhiteSpace(' ')
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| UnitExpression
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| PsiElement(()('(')
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| PsiElement())(')')
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| PsiWhiteSpace('\n')
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| PsiElement(})('}')
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| PsiWhiteSpace('\n\n')
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|""".stripMargin
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)
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}

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