block.test

csq := ABS(c_pi * (r * 2));

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[
	"csq ",
	["operator", ":="],
	["function", "ABS"],
	["punctuation", "("],
	"c_pi ",
	["operator", "*"],
	["punctuation", "("],
	"r ",
	["operator", "*"],
	["number", "2"],
	["punctuation", ")"],
	["punctuation", ")"],
	["punctuation", ";"]
]

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Checks expression.