Rust: Make some summaries value type.

Author: geoffw0

Diff for: rust/ql/lib/codeql/rust/frameworks/stdlib/lang-alloc.model.yml

@@ -32,8 +32,8 @@ extensions:
       # Fmt
       - ["lang:alloc", "crate::fmt::format", "Argument[0]", "ReturnValue", "taint", "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"]
+      - ["lang:alloc", "<crate::string::String>::as_str", "Argument[self]", "ReturnValue", "value", "manual"]
+      - ["lang:alloc", "<crate::string::String>::as_bytes", "Argument[self]", "ReturnValue", "value", "manual"]
       - ["lang:alloc", "<_ as crate::string::ToString>::to_string", "Argument[self]", "ReturnValue", "taint", "manual"]
       - ["lang:alloc", "<crate::string::String>::parse", "Argument[self]", "ReturnValue.Field[crate::result::Result::Ok(0)]", "taint", "manual"]
       - ["lang:alloc", "<crate::string::String>::trim", "Argument[self]", "ReturnValue.Reference", "taint", "manual"]

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

@@ -40,8 +40,8 @@ extensions:
       - ["lang:core", "crate::ptr::write_unaligned", "Argument[1]", "Argument[0].Reference", "value", "manual"]
       - ["lang:core", "crate::ptr::write_volatile", "Argument[1]", "Argument[0].Reference", "value", "manual"]
       # Str
-      - ["lang:core", "<str>::as_str", "Argument[self]", "ReturnValue", "taint", "manual"]
-      - ["lang:core", "<str>::as_bytes", "Argument[self]", "ReturnValue", "taint", "manual"]
+      - ["lang:core", "<str>::as_str", "Argument[self]", "ReturnValue", "taint", "value"]
+      - ["lang:core", "<str>::as_bytes", "Argument[self]", "ReturnValue", "taint", "value"]
       - ["lang:core", "<str>::to_string", "Argument[self]", "ReturnValue", "taint", "manual"]
       - ["lang:core", "<str>::parse", "Argument[self]", "ReturnValue.Field[crate::result::Result::Ok(0)]", "taint", "manual"]
       - ["lang:core", "<str>::trim", "Argument[self]", "ReturnValue.Reference", "taint", "manual"]