error: unexpected end of input, expected an expression
  --> tests/derive_props/fail.rs:56:19
   |
56 |         #[prop_or()]
   |                   ^

error: cannot find attribute `props` in this scope
  --> tests/derive_props/fail.rs:22:11
   |
22 |         #[props(default)]
   |           ^^^^^

error[E0425]: cannot find value `foo` in this scope
   --> tests/derive_props/fail.rs:86:24
    |
86  |         #[prop_or_else(foo)]
    |                        ^^^ not found in this scope
    |
note: these functions exist but are inaccessible
   --> tests/derive_props/fail.rs:100:5
    |
100 |     fn foo(bar: i32) -> String {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ `crate::t9::foo`: not accessible
...
114 |     fn foo() -> i32 {
    |     ^^^^^^^^^^^^^^^ `crate::t10::foo`: not accessible

error[E0277]: the trait bound `Value: Default` is not satisfied
 --> tests/derive_props/fail.rs:9:21
  |
9 |     #[derive(Clone, Properties, PartialEq)]
  |                     ^^^^^^^^^^ the trait `Default` is not implemented for `Value`
  |
note: required by a bound in `Option::<T>::unwrap_or_default`
  = note: this error originates in the derive macro `Properties` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Value` with `#[derive(Default)]`
  |
8 |     #[derive(Default)]
  |

error[E0369]: binary operation `==` cannot be applied to type `Value`
  --> tests/derive_props/fail.rs:13:9
   |
9  |     #[derive(Clone, Properties, PartialEq)]
   |                                 --------- in this derive macro expansion
...
13 |         value: Value,
   |         ^^^^^^^^^^^^
   |
note: an implementation of `PartialEq<_>` might be missing for `Value`
  --> tests/derive_props/fail.rs:8:5
   |
8  |     struct Value;
   |     ^^^^^^^^^^^^ must implement `PartialEq<_>`
   = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Value` with `#[derive(PartialEq)]`
   |
8  |     #[derive(PartialEq)]
   |

error[E0369]: binary operation `!=` cannot be applied to type `Value`
  --> tests/derive_props/fail.rs:13:9
   |
9  |     #[derive(Clone, Properties, PartialEq)]
   |                                 --------- in this derive macro expansion
...
13 |         value: Value,
   |         ^^^^^^^^^^^^
   |
note: an implementation of `PartialEq<_>` might be missing for `Value`
  --> tests/derive_props/fail.rs:8:5
   |
8  |     struct Value;
   |     ^^^^^^^^^^^^ must implement `PartialEq<_>`
   = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Value` with `#[derive(PartialEq)]`
   |
8  |     #[derive(PartialEq)]
   |

error[E0277]: the trait bound `AssertAllProps: HasProp<t3::_Props::value, _>` is not satisfied
  --> tests/derive_props/fail.rs:35:24
   |
35 |         ::yew::props!{ Props { } };
   |                        ^^^^^ the trait `HasProp<t3::_Props::value, _>` is not implemented for `AssertAllProps`
   |
   = help: the following other types implement trait `HasProp<P, How>`:
             <CheckChildrenPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <CheckContextProviderPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropschildren<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropschildren<B> as HasProp<children, HasContextProviderPropschildren<B>>>
             <HasContextProviderPropscontext<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropscontext<B> as HasProp<yew::context::_ContextProviderProps::context, HasContextProviderPropscontext<B>>>
             <suspense::component::CheckSuspensePropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <t10::CheckPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
           and $N others
note: required because of the requirements on the impl of `HasAllProps<t3::Props, (_,)>` for `t3::CheckPropsAll<AssertAllProps>`
  --> tests/derive_props/fail.rs:29:21
   |
29 |     #[derive(Clone, Properties, PartialEq)]
   |                     ^^^^^^^^^^
   = note: required because of the requirements on the impl of `AllPropsFor<t3::PropsBuilder, (_,)>` for `AssertAllProps`
note: required by a bound in `html::component::properties::__macro::PreBuild::<Token, B>::build`
  --> $WORKSPACE/packages/yew/src/html/component/properties.rs
   |
   |             Token: AllPropsFor<B, How>,
   |                    ^^^^^^^^^^^^^^^^^^^ required by this bound in `html::component::properties::__macro::PreBuild::<Token, B>::build`
   = note: this error originates in the derive macro `Properties` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `AssertAllProps: HasProp<t4::_Props::value, _>` is not satisfied
  --> tests/derive_props/fail.rs:47:24
   |
47 |         ::yew::props!{ Props { } };
   |                        ^^^^^ the trait `HasProp<t4::_Props::value, _>` is not implemented for `AssertAllProps`
   |
   = help: the following other types implement trait `HasProp<P, How>`:
             <CheckChildrenPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <CheckContextProviderPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropschildren<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropschildren<B> as HasProp<children, HasContextProviderPropschildren<B>>>
             <HasContextProviderPropscontext<B> as HasProp<P, &dyn HasProp<P, How>>>
             <HasContextProviderPropscontext<B> as HasProp<yew::context::_ContextProviderProps::context, HasContextProviderPropscontext<B>>>
             <suspense::component::CheckSuspensePropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
             <t10::CheckPropsAll<B> as HasProp<P, &dyn HasProp<P, How>>>
           and $N others
note: required because of the requirements on the impl of `HasAllProps<t4::Props, (_,)>` for `t4::CheckPropsAll<AssertAllProps>`
  --> tests/derive_props/fail.rs:41:21
   |
41 |     #[derive(Clone, Properties, PartialEq)]
   |                     ^^^^^^^^^^
   = note: required because of the requirements on the impl of `AllPropsFor<t4::PropsBuilder, (_,)>` for `AssertAllProps`
note: required by a bound in `html::component::properties::__macro::PreBuild::<Token, B>::build`
  --> $WORKSPACE/packages/yew/src/html/component/properties.rs
   |
   |             Token: AllPropsFor<B, How>,
   |                    ^^^^^^^^^^^^^^^^^^^ required by this bound in `html::component::properties::__macro::PreBuild::<Token, B>::build`
   = note: this error originates in the derive macro `Properties` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0308]: mismatched types
  --> tests/derive_props/fail.rs:66:19
   |
66 |         #[prop_or(123)]
   |                   ^^^
   |                   |
   |                   expected struct `String`, found integer
   |                   arguments to this function are incorrect
   |
note: associated function defined here
help: try using a conversion method
   |
66 |         #[prop_or(123.to_string())]
   |                      ++++++++++++
66 |         #[prop_or(123.to_string())]
   |                      ++++++++++++

error[E0277]: expected a `FnOnce<()>` closure, found `{integer}`
  --> tests/derive_props/fail.rs:76:24
   |
76 |         #[prop_or_else(123)]
   |                        ^^^ expected an `FnOnce<()>` closure, found `{integer}`
   |
   = help: the trait `FnOnce<()>` is not implemented for `{integer}`
   = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }`
note: required by a bound in `Option::<T>::unwrap_or_else`

error[E0593]: function is expected to take 0 arguments, but it takes 1 argument
   --> tests/derive_props/fail.rs:96:24
    |
96  |         #[prop_or_else(foo)]
    |                        ^^^ expected function that takes 0 arguments
...
100 |     fn foo(bar: i32) -> String {
    |     -------------------------- takes 1 argument
    |
note: required by a bound in `Option::<T>::unwrap_or_else`

error[E0271]: type mismatch resolving `<fn() -> i32 {t10::foo} as FnOnce<()>>::Output == String`
   --> tests/derive_props/fail.rs:110:24
    |
110 |         #[prop_or_else(foo)]
    |                        ^^^ expected struct `String`, found `i32`
    |
note: required by a bound in `Option::<T>::unwrap_or_else`