René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"GeoJson.Text \u0026 Swagger","articleBody":"Would anyone be able to point me at why types aren't showing as non-nullable in generated clients?\r\n\r\ni.e. I have the following:\r\n```cs\r\n        builder.Services.AddSwaggerGen(opts =\u003e\r\n        {\r\n            opts.SupportNonNullableReferenceTypes();\r\n            ...\r\n```\r\n\r\nBut when I generate the schema I can see nullability isn't respected.\r\n\r\nThe `Features` property on `FeatureCollection` for example is declared as non-nullable [here](https://github.com/GeoJSON-Net/GeoJSON.Text/blob/main/src/GeoJSON.Text/Feature/FeatureCollection.cs#L49)\r\n\r\nBut then when generating an OpenApi schema it has `nullable: true`\r\n```json\r\n\"features\": {\r\n  \"type\": \"array\",\r\n  \"items\": {\r\n    \"$ref\": \"#/components/schemas/Feature\"\r\n  },\r\n  \"nullable\": true // \u003c--\r\n}\r\n```","author":{"url":"https://github.com/MitchellW-DWL","@type":"Person","name":"MitchellW-DWL"},"datePublished":"2024-04-30T09:00:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/26/GeoJSON.Text/issues/26"}