[format]

format is a core slot, one of the keywords of the Hyperlambda language, in Hyperlambda, the language of Magic Cloud. Formats a value using a .NET format string and optional culture; useful for currencies, dates, and number rendering.

• Value (scalar), required: Value to format
• Returns: Resolves to the formatted string

Arguments

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

Argument	Type	Required	Description
[pattern]	string	yes	Composite format string.
[culture]	string	no	Optional culture name used when formatting.

Guide: How to use [format]

JSON declaration

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

JSON declaration

{
  "name": "format",
  "description": "Formats a value using a .NET format string and optional culture; useful for currencies, dates, and number rendering",
  "signature": {
    "input": {
      "kind": "scalar",
      "description": "Value to format",
      "required": true,
      "mode": "ValueOrExpression"
    },
    "children": {
      "pattern": {
        "type": "string",
        "kind": "format-pattern",
        "description": "Composite format string",
        "required": true,
        "mode": "ValueOrExpression",
        "cardinality": "ExactlyOne",
        "role": "Option",
        "projection": "Value"
      },
      "culture": {
        "type": "string",
        "kind": "culture-name",
        "description": "Optional culture name used when formatting",
        "required": false,
        "mode": "ValueOrExpression",
        "cardinality": "ZeroOrOne",
        "role": "Option",
        "projection": "Value"
      }
    },
    "output": {
      "mode": "Value",
      "kind": "text",
      "description": "Resolves to the formatted string"
    }
  }
}

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