Skip to content

Additional `TryFrom<OwnedValue>` implementations needed for UDisks2

Running the git version of xmlgen on https://raw.githubusercontent.com/storaged-project/udisks/master/data/org.freedesktop.UDisks2.xml:

error[E0277]: the trait bound `HashMap<std::string::String, OwnedValue>: TryFrom<OwnedValue>` is not satisfied
  --> src/udisks.rs:82:1
   |
82 | #[dbus_proxy(interface = "org.freedesktop.UDisks2.Drive")]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TryFrom<OwnedValue>` is not implemented for `HashMap<std::string::String, OwnedValue>`
   |
   = help: the following implementations were found:
             <HashMap<K, V, H> as TryFrom<OwnedValue>>
             <HashMap<K, V, H> as TryFrom<zvariant::Dict<'k, 'v>>>
   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>: TryFrom<OwnedValue>` is not satisfied
   --> src/udisks.rs:390:1
    |
390 | #[dbus_proxy(interface = "org.freedesktop.UDisks2.Block")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TryFrom<OwnedValue>` is not implemented for `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>`
    |
    = help: the following implementations were found:
              <Vec<OwnedValue> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<zvariant::Array<'a>>>
              <Vec<T> as TryFrom<zvariant::Value<'a>>>
    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>: TryFrom<OwnedValue>` is not satisfied
   --> src/udisks.rs:752:1
    |
752 | #[dbus_proxy(interface = "org.freedesktop.UDisks2.Encrypted")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TryFrom<OwnedValue>` is not implemented for `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>`
    |
    = help: the following implementations were found:
              <Vec<OwnedValue> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<zvariant::Array<'a>>>
              <Vec<T> as TryFrom<zvariant::Value<'a>>>
    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Vec<(OwnedObjectPath, i32, Vec<std::string::String>, u64, HashMap<std::string::String, OwnedValue>)>: TryFrom<OwnedValue>` is not satisfied
   --> src/udisks.rs:829:1
    |
829 | #[dbus_proxy(interface = "org.freedesktop.UDisks2.MDRaid")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TryFrom<OwnedValue>` is not implemented for `Vec<(OwnedObjectPath, i32, Vec<std::string::String>, u64, HashMap<std::string::String, OwnedValue>)>`
    |
    = help: the following implementations were found:
              <Vec<OwnedValue> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<zvariant::Array<'a>>>
              <Vec<T> as TryFrom<zvariant::Value<'a>>>
    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>: TryFrom<OwnedValue>` is not satisfied
   --> src/udisks.rs:829:1
    |
829 | #[dbus_proxy(interface = "org.freedesktop.UDisks2.MDRaid")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TryFrom<OwnedValue>` is not implemented for `Vec<(std::string::String, HashMap<std::string::String, OwnedValue>)>`
    |
    = help: the following implementations were found:
              <Vec<OwnedValue> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<OwnedValue>>
              <Vec<T> as TryFrom<zvariant::Array<'a>>>
              <Vec<T> as TryFrom<zvariant::Value<'a>>>
    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 5 previous errors

I'm looking at how to implement these but it's not entirely clear how to make the TryFrom implementations more general.