tests/ui/traits/auxiliary/issue_89119_intercrate_caching.rs

   1 // This is the auxiliary crate for the regression test for issue #89119, minimized
   2 // from `zvariant-2.8.0`.
   3
   4 use std::convert::TryFrom;
   5 use std::borrow::Cow;
   6
   7 pub struct Str<'a>(Cow<'a, str>);
   8 impl<'a> Str<'a> {
   9     pub fn to_owned(&self) -> Str<'static> {
  10         todo!()
  11     }
  12 }
  13
  14 pub enum Value<'a> {
  15     Str(Str<'a>),
  16     Value(Box<Value<'a>>),
  17 }
  18 impl<'a> Value<'a> {
  19     pub fn to_owned(&self) -> Value<'static> {
  20         match self {
  21             Value::Str(v) => Value::Str(v.to_owned()),
  22             Value::Value(v) => {
  23                 let o = OwnedValue::from(&**v);
  24                 Value::Value(Box::new(o.into_inner()))
  25             }
  26         }
  27     }
  28 }
  29
  30 struct OwnedValue(Value<'static>);
  31 impl OwnedValue {
  32     pub(crate) fn into_inner(self) -> Value<'static> {
  33         todo!()
  34     }
  35 }
  36 impl<'a, T> TryFrom<OwnedValue> for Vec<T>
  37 where
  38     T: TryFrom<Value<'a>, Error = ()>,
  39 {
  40     type Error = ();
  41     fn try_from(_: OwnedValue) -> Result<Self, Self::Error> {
  42         todo!()
  43     }
  44 }
  45 impl TryFrom<OwnedValue> for Vec<OwnedValue> {
  46     type Error = ();
  47     fn try_from(_: OwnedValue) -> Result<Self, Self::Error> {
  48         todo!()
  49     }
  50 }
  51 impl<'a> From<Value<'a>> for OwnedValue {
  52     fn from(_: Value<'a>) -> Self {
  53         todo!()
  54     }
  55 }
  56 impl<'a> From<&Value<'a>> for OwnedValue {
  57     fn from(_: &Value<'a>) -> Self {
  58         todo!()
  59     }
  60 }