Rust: Model them.

Author: geoffw0

rust/ql/lib/codeql/rust/frameworks/stdlib/lang-core.model.yml

@@ -24,6 +24,8 @@ extensions:
       - ["lang:core", "<crate::result::Result>::unwrap_err_unchecked", "Argument[self].Variant[crate::result::Result::Err(0)]", "ReturnValue", "value", "manual"]
       - ["lang:core", "<crate::result::Result>::expect", "Argument[self].Variant[crate::result::Result::Ok(0)]", "ReturnValue", "value", "manual"]
       - ["lang:core", "<crate::result::Result>::expect_err", "Argument[self].Variant[crate::result::Result::Err(0)]", "ReturnValue", "value", "manual"]
+      - ["lang:core", "<crate::result::Result>::ok", "Argument[self].Variant[crate::result::Result::Ok(0)]", "ReturnValue.Variant[crate::option::Option::Some(0)]", "value", "manual"]
+      - ["lang:core", "<crate::result::Result>::err", "Argument[self].Variant[crate::result::Result::Err(0)]", "ReturnValue.Variant[crate::option::Option::Some(0)]", "value", "manual"]
       # String
       - ["lang:alloc", "<crate::string::String>::as_str", "Argument[self]", "ReturnValue", "taint", "manual"]
       - ["lang:alloc", "<crate::string::String>::as_bytes", "Argument[self]", "ReturnValue", "taint", "manual"]