$$in

Checks if a value is in a list of values

Usage

{ 
  "$$in": [ /* An array of values which `value` should be part of */ ],
  "value": /* any */
}

"$$in(<value>):{input}"

Returns

boolean

Arguments

Argument	Type	Values	Required / Default Value	Description
Input	array		Yes	An array of values which value should be part of
value	any		Yes	Value to check against

Examples

Input

Definition

Output

"A"

{
  "$$in": [
    "A",
    "B"
  ],
  "value": "$"
}

true

Test

[
  "A",
  "B"
]

{
  "$$in": "$",
  "value": "A"
}

true

Test

"A"

{
  "$$in": [
    "a",
    "B"
  ],
  "value": "A"
}

false

Test

[
  false,
  true
]

{
  "$$in": "$",
  "value": true
}

true

Test

null

{
  "$$in": [
    10,
    20,
    30
  ],
  "value": 30
}

true

Test

null

{
  "$$in": [
    [
      {
        "a": 4
      }
    ],
    [
      {
        "a": 1
      }
    ],
    [
      {
        "a": 3
      }
    ]
  ],
  "value": [
    {
      "a": 1
    }
  ]
}

true

Test

[
  "a",
  "b",
  "A",
  "B"
]

"$$in(A):$"

true

Test

[
  "a",
  "b",
  "A",
  "B"
]

"$$in(C):$"

false

Test