[and]

and is a core slot, one of the keywords of the Hyperlambda language, in Hyperlambda, the language of Magic Cloud. Returns true if all children evaluate to true.

• Returns: Resolves to true if all operands evaluate to true

Arguments

Required arguments come first, then the optional ones in the order they are declared.

Argument	Type	Required	Description
any node name	lambda	yes	Executable operand returning a boolean value.

Guide: How to use [and]

JSON declaration

This is the complete declaration of and, as the running system describes it. It is also published as slot.json.

JSON declaration

{
  "name": "and",
  "description": "Returns true if all children evaluate to true",
  "signature": {
    "children": {
      "*": {
        "type": "lambda",
        "kind": "boolean",
        "description": "Executable operand returning a boolean value",
        "required": true,
        "mode": "ExecutableLambda",
        "cardinality": "TwoOrMore",
        "role": "Operand",
        "evaluation": "EvalSelf",
        "projection": "Self"
      }
    },
    "output": {
      "mode": "Value",
      "kind": "boolean",
      "description": "Resolves to true if all operands evaluate to true"
    }
  }
}

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