github.com/muratcelep/terraform@v1.1.0-beta2-not-internal-4/website/docs/language/functions/tolist.html.md (about)

     1  ---
     2  layout: "language"
     3  page_title: "tolist - Functions - Configuration Language"
     4  sidebar_current: "docs-funcs-conversion-tolist"
     5  description: |-
     6    The tolist function converts a value to a list.
     7  ---
     8  
     9  # `tolist` Function
    10  
    11  `tolist` converts its argument to a list value.
    12  
    13  Explicit type conversions are rarely necessary in Terraform because it will
    14  convert types automatically where required. Use the explicit type conversion
    15  functions only to normalize types returned in module outputs.
    16  
    17  Pass a _set_ value to `tolist` to convert it to a list. Since set elements are
    18  not ordered, the resulting list will have an undefined order that will be
    19  consistent within a particular run of Terraform.
    20  
    21  ## Examples
    22  
    23  ```
    24  > tolist(["a", "b", "c"])
    25  [
    26    "a",
    27    "b",
    28    "c",
    29  ]
    30  ```
    31  
    32  Since Terraform's concept of a list requires all of the elements to be of the
    33  same type, mixed-typed elements will be converted to the most general type:
    34  
    35  ```
    36  > tolist(["a", "b", 3])
    37  [
    38    "a",
    39    "b",
    40    "3",
    41  ]
    42  ```