arrPatternBool = (true | false)

nestedPatternBool = ({"inner": [true]}["inner"][0] | {"inner": [false]}["inner"][0])

objPatternBool = ({"objPatternBool": true}["objPatternBool"] | {"objPatternBool": false}["objPatternBool"])

singleAssignBool = {"singleAssignBool": true}["singleAssignBool"]