2

I have such a component in swagger.json (OpenAPI version: "3.0.1")

"ids": {
  "type": "array",
  "items": {
    "type": "string",
    "format": "uuid",
    "nullable": true,
    "x-nullable": true
  },
  "nullable": true,
  "x-nullable": true
}

With the OpenAPI generator, I intend to create such a type in C#:

List<Guid?>?

However, as a result, it generates

List<Guid>?

I traced the models, to find the dataType as follows:

"dataType" : "List<Guid>"

And IsNullable is true

"isNullable" : true

For its items, the dataType is "Guid" and isNullable is true

"dataType" : "Guid",

"isNullable" : true,

The Mustache statement is

{{{datatypeWithEnum}}}{{#lambda.first}}{{#isNullable}}{{>NullConditionalProperty}}

so we can tell that the '?' actually comes from NullConditionalProperty.

Is it supported that the array items can be nullable for the C# language?

Improve this question
2
  • ”Is it supported that the array items can be nullable for C# language?” - yes Commented May 12 at 10:32
  • 1
    Thanks for the answer but I'm asking it for the OpenAPI generator. FYI. Maybe I need to rephrase it as 'Is it supported that the array items can be nullable for C# language generator?' Commented May 13 at 0:40
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