$$eval

Evaluates the input and then transforms the context with the expression

Usage

{
  "$$eval": /* value */
}

Returns

Same type as input

Arguments

Argument	Type	Values	Required / Default Value	Description
Primary	Anything		Yes	Any value

Examples

Input

Definition

Output

[
  { "value": 4 },
  { "value": 2 },
  { "value": 13.45 },
  { "value": null }
]

{
  "$$eval": {
    "$$join":[
      "\\$",
      "$avg:",
      "\\$",
      "..value"
    ]
  }
}

4.86

[
  { "value": 4 },
  { "value": 2 },
  { "value": 13.45 },
  { "value": null }
]

{
  "$$eval":{
    "$$jsonparse": {
      "$$join": [
        "{",
        "'$$avg'",
        ":",
        "'$'",
        ", 'by':'##current.value'",
        "}"
      ]
    }
  }
}

4.86