else タグ（ループが空のときの処理）

{
  "category": "iteration",
  "deprecated": false,
  "deprecation_reason": "",
  "description": "",
  "parameters": [],
  "summary": "Allows you to specify a default expression to execute when a [`for` loop](/docs/api/liquid/tags/for) has zero length.",
  "name": "else",
  "syntax": "{% for variable in array %}\n  first_expression\n{% else %}\n  second_expression\n{% endfor %}",
  "syntax_keywords": [
    {
      "keyword": "variable",
      "description": "The current item in the array."
    },
    {
      "keyword": "array",
      "description": "The array to iterate over."
    },
    {
      "keyword": "first_expression",
      "description": "The expression to render for each iteration."
    },
    {
      "keyword": "second_expression",
      "description": "The expression to render if the loop has zero length."
    }
  ],
  "examples": [
    {
      "name": "",
      "description": "",
      "syntax": "",
      "path": "/collections/empty",
      "raw_liquid": "{% for product in collection.products %}\n  {{ product.title }}<br>\n{% else %}\n  There are no products in this collection.\n{% endfor %}",
      "parameter": false,
      "display_type": "text",
      "show_data_tab": true
    }
  ]
}