assign-left_feature.test

foo=12
bar+='xyz'
foo+=('xyz')

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[
	["assign-left", ["foo"]],
	["operator", ["="]],
	["number", "12"],

	["assign-left", ["bar"]],
	["operator", ["+="]],
	["string", "'xyz'"],

	["assign-left", ["foo"]],
	["operator", ["+="]],
	["punctuation", "("],
	["string", "'xyz'"],
	["punctuation", ")"]
]

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Checks for variable assignments.