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Fix highlighting issues for incomplete functions.
Function definitions are incomplete while you type. This should not cause the highlighter to freak out and incorrectly highlight code after the new function. The issue was caused by incorrectly handling return annotations.
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‎README.md‎

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# Magic Python [![Build Status](https://travis-ci.org/MagicStack/MagicPython.svg?branch=master)](https://travis-ci.org/MagicStack/MagicPython) [![apm](https://img.shields.io/apm/dm/magicpython.svg?label=Atom)](https://atom.io/packages/magicpython) [![Package Control](https://img.shields.io/packagecontrol/dt/MagicPython.svg?label=Sublime%20Text)](https://packagecontrol.io/packages/MagicPython) [![](https://img.shields.io/badge/Visual%20Studio%20Code-%3E20k-red.svg)](https://marketplace.visualstudio.com/items?itemName=magicstack.MagicPython)
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# Magic Python [![Build Status](https://travis-ci.org/MagicStack/MagicPython.svg?branch=master)](https://travis-ci.org/MagicStack/MagicPython) [![apm](https://img.shields.io/apm/dm/magicpython.svg?label=Atom)](https://atom.io/packages/magicpython) [![Package Control](https://img.shields.io/packagecontrol/dt/MagicPython.svg?label=Sublime%20Text)](https://packagecontrol.io/packages/MagicPython) [![](https://img.shields.io/badge/Visual%20Studio%20Code-%3E25k-red.svg)](https://marketplace.visualstudio.com/items?itemName=magicstack.MagicPython)
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This is a package with preferences and syntax highlighter for cutting edge
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Python 3, although Python 2 is well supported, too. The syntax is compatible

‎grammars/MagicPython.cson‎

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)
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'''
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end: "(:)"
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end: "(:|(?=[#'\"\\n]))"
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beginCaptures:
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"1":
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name: "storage.type.function.async.python"
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include: "#parameter-special"
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}
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{
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match: "([[:alpha:]_]\\w*)\\s*(?:(,)|(?=\\)))"
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match: '''
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(?x)
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([[:alpha:]_]\\w*)
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\\s* (?: (,) | (?=[)#\\n=]))
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'''
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captures:
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"1":
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name: "variable.parameter.function.language.python"
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include: "#comments"
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}
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{
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include: "#parameter-with-default"
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include: "#loose-default"
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}
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{
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include: "#annotated-parameter"
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name: "variable.parameter.function.language.special.cls.python"
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"4":
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name: "punctuation.separator.parameters.python"
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"parameter-with-default":
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begin: '''
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(?x)
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\\b
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([[:alpha:]_]\\w*) \\s* (=)
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'''
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"loose-default":
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begin: "(=)"
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end: "(,)|(?=\\))"
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beginCaptures:
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"1":
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name: "variable.parameter.function.language.python"
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"2":
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name: "keyword.operator.python"
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endCaptures:
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"1":

‎grammars/MagicPython.tmLanguage‎

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)
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</string>
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<key>end</key>
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<string>(:)</string>
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<string>(:|(?=[#'"\n]))</string>
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<key>beginCaptures</key>
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<dict>
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<key>1</key>
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</dict>
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<dict>
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<key>match</key>
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<string>([[:alpha:]_]\w*)\s*(?:(,)|(?=\)))</string>
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<string>(?x)
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([[:alpha:]_]\w*)
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\s* (?: (,) | (?=[)#\n=]))
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</string>
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<key>captures</key>
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<dict>
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<key>1</key>
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</dict>
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<dict>
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<key>include</key>
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<string>#parameter-with-default</string>
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<string>#loose-default</string>
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</dict>
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<dict>
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<key>include</key>
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</dict>
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</dict>
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</dict>
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<key>parameter-with-default</key>
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<key>loose-default</key>
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<dict>
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<key>begin</key>
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<string>(?x)
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\b
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([[:alpha:]_]\w*) \s* (=)
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</string>
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<string>(=)</string>
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<key>end</key>
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<string>(,)|(?=\))</string>
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<key>beginCaptures</key>
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<dict>
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<key>1</key>
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<dict>
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<key>name</key>
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<string>variable.parameter.function.language.python</string>
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</dict>
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<key>2</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.python</string>

‎grammars/src/MagicPython.syntax.yaml‎

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[[:alpha:]_][[:word:]]* \s* \(
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)
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end: (:)
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end: (:|(?=[#'"\n]))
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beginCaptures:
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'1': {name: storage.type.function.async.python}
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'2': {name: storage.type.function.python}
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- include: '#illegal-names'
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- include: '#illegal-object-name'
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- include: '#parameter-special'
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- match: ([[:alpha:]_]\w*)\s*(?:(,)|(?=\)))
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- match: |
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(?x)
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([[:alpha:]_]\w*)
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\s* (?: (,) | (?=[)#\n=]))
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captures:
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'1': {name: variable.parameter.function.language.python}
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'2': {name: punctuation.separator.parameters.python}
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- include: '#comments'
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- include: '#parameter-with-default'
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- include: '#loose-default'
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- include: '#annotated-parameter'
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parameter-special:
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'3': {name: variable.parameter.function.language.special.cls.python}
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'4': {name: punctuation.separator.parameters.python}
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parameter-with-default:
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begin: |
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(?x)
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\b
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([[:alpha:]_]\w*) \s* (=)
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loose-default:
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begin: (=)
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end: (,)|(?=\))
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beginCaptures:
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'1': {name: variable.parameter.function.language.python}
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'2': {name: keyword.operator.python}
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'1': {name: keyword.operator.python}
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endCaptures:
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'1': {name: punctuation.separator.parameters.python}
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patterns:

‎test/docstrings/mix1.py‎

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# comment
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R'''TEST'''
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def foo(self, a:'''TEST''')
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-> '''TEST''': #ok
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def foo(self, a:'''TEST''') -> '''TEST''': #ok
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r'''TEST'''
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with bar:
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pass
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def bar(self, a:'''TEST''')
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-> '''TEST''': pass
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def bar(self, a:'''TEST''') -> '''TEST''': pass
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'''TEST''' # additional docstring
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with bar:
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pass
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TEST : meta.function.parameters.python, meta.function.python, source.python, string.quoted.multi.python
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''' : meta.function.parameters.python, meta.function.python, punctuation.definition.string.end.python, source.python, string.quoted.multi.python
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) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python
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: meta.function.python, source.python
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: meta.function.python, source.python
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-> : meta.function.python, punctuation.separator.annotation.result.python, source.python
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: meta.function.python, source.python
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''' : meta.function.python, punctuation.definition.string.begin.python, source.python, string.quoted.multi.python
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TEST : meta.function.parameters.python, meta.function.python, source.python, string.quoted.multi.python
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''' : meta.function.parameters.python, meta.function.python, punctuation.definition.string.end.python, source.python, string.quoted.multi.python
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) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python
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: meta.function.python, source.python
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: meta.function.python, source.python
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-> : meta.function.python, punctuation.separator.annotation.result.python, source.python
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: meta.function.python, source.python
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''' : meta.function.python, punctuation.definition.string.begin.python, source.python, string.quoted.multi.python

‎test/docstrings/mix2.py‎

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# comment
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R'TEST'
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def foo(self, a:'TEST')
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-> 'TEST': #ok
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def foo(self, a:'TEST') -> 'TEST': #ok
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r'TEST'
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with bar:
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pass
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def bar(self, a:'TEST')
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-> 'TEST': pass
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def bar(self, a:'TEST') -> 'TEST': pass
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'TEST' # additional docstring
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with bar:
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pass
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TEST : meta.function.parameters.python, meta.function.python, source.python, string.quoted.single.python
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' : meta.function.parameters.python, meta.function.python, punctuation.definition.string.end.python, source.python, string.quoted.single.python
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) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python
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: meta.function.python, source.python
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: meta.function.python, source.python
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-> : meta.function.python, punctuation.separator.annotation.result.python, source.python
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: meta.function.python, source.python
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' : meta.function.python, punctuation.definition.string.begin.python, source.python, string.quoted.single.python
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TEST : meta.function.parameters.python, meta.function.python, source.python, string.quoted.single.python
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' : meta.function.parameters.python, meta.function.python, punctuation.definition.string.end.python, source.python, string.quoted.single.python
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) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python
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: meta.function.python, source.python
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: meta.function.python, source.python
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-> : meta.function.python, punctuation.separator.annotation.result.python, source.python
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: meta.function.python, source.python
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' : meta.function.python, punctuation.definition.string.begin.python, source.python, string.quoted.single.python

‎test/functions/decl2.py‎

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@@ -9,7 +9,7 @@ def : meta.function.python, source.python, storage.type.function.pytho
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lambda : meta.function.parameters.python, meta.function.python, source.python, storage.type.function.lambda.python
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, : meta.function.parameters.python, meta.function.python, source.python
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lambda : keyword.control.flow.python, meta.function.parameters.python, meta.function.python, source.python
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= : meta.function.parameters.python, meta.function.python, source.python
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= : keyword.operator.python, meta.function.parameters.python, meta.function.python, source.python
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) : meta.function.parameters.python, meta.function.python, punctuation.definition.parameters.end.python, source.python
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: meta.function.python, source.python
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-> : meta.function.python, punctuation.separator.annotation.result.python, source.python

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