{"id":"language--nullable-values","name":"Nullable types","owner":"yeho","package":"language","kind":"language","signature":"Type? name = null","description":"A ? suffix declares a nullable reference-like value, but the complete flow analysis is not in the Kyber product path yet.","context":"Use only when deliberately running the comparison oracle. In Kyber-ready code, model absence explicitly with a bool, enum, or sentinel thing.","parameters":[],"returns":"","members":[],"tags":["?","cpu","language","null","values","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"docs/language/conformance-2026.1.json: nullable-reference-flow"},"status":"generated-cpp-only","notes":["Nullable reference flow is classified generated-C++ only in the 2026.1 conformance manifest.","Do not present parser acceptance as native product support."],"examples":[{"id":"complete","title":"Complete nullable types example","description":"Use only when deliberately running the comparison oracle. In Kyber-ready code, model absence explicitly with a bool, enum, or sentinel thing.","code":"class Pilot { text name = \"Nova\" }\nPilot? selected = null\nif selected == null { Console.Log(\"Choose a pilot\") }\n","tags":["cpu","language"],"run":"cpu-oracle","expected":null,"verifyRun":false,"manifest":"manifestVersion = \"2\"\npackage = \"api.example.language__nullable_values\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n","verification":"type checked","sha256":"fc13c8b2f9baa0de47f4e64371c23b09c1a08f97c72114f70f00a445c3f9a944","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=language--nullable-values","json":"https://demonhunterlabs.com/reference/items/language--nullable-values.json","markdown":"https://demonhunterlabs.com/reference/text/language--nullable-values.md"}