[
    {
        "expr": "$distinct([1,2,3,4])",
        "data": null,
        "bindings": {},
        "result": [1,2,3,4]
    },
    {
        "expr": "$distinct([1])",
        "data": null,
        "bindings": {},
        "result": [1]
    },
    {
        "expr": "$distinct(nothing)",
        "data": null,
        "bindings": {},
        "undefinedResult": true
    },
    {
        "expr": "$distinct(null)",
        "data": null,
        "bindings": {},
        "result": null
    },
    {
        "expr": "$distinct('hello')",
        "data": null,
        "bindings": {},
        "result": "hello"
    },
    {
        "expr": "$distinct(Account.Order.Product.SKU)",
        "dataset": "dataset5",
        "bindings": {},
        "result": [
            "0406654608",
            "0406634348",
            "040657863",
            "0406654603"
        ]
    },
    {
        "expr": "$distinct(Account.Order.Product.`Product Name`)",
        "dataset": "dataset5",
        "bindings": {},
        "result": [
            "Bowler Hat",
            "Trilby hat",
            "Cloak"
        ]
    },
    {
        "expr": "$distinct(Account.Order.Product.Description)",
        "dataset": "dataset5",
        "bindings": {},
        "result": [
            {
                "Colour": "Purple",
                "Width": 300,
                "Height": 200,
                "Depth": 210,
                "Weight": 0.75
            },
            {
                "Colour": "Orange",
                "Width": 300,
                "Height": 200,
                "Depth": 210,
                "Weight": 0.6
            },
            {
                "Colour": "Black",
                "Width": 30,
                "Height": 20,
                "Depth": 210,
                "Weight": 2
            }
        ]
    }
]