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a6d59d8714
For each derived DomObject impl, we also generate a dummy trait
ShouldNotImplDomObject that is implemented for all T: DomObject.
We then try to implement it for each field type except the first one.
If compilation succeed, this means that field type doesn't implement
DomObject itself otherwise it would break coherence rules.
error[E0119]: conflicting implementations of trait `dom::xmlhttprequest::_IMPL_DOMOBJECT_FOR_XMLHttpRequest::ShouldNotImplDomObject` for type `((), SomeFieldTypeThatShouldNotImplementDomObject)`:
--> /Users/nox/src/servo/components/script/dom/xmlhttprequest.rs:120:1
|
120 | #[dom_struct]
| ^^^^^^^^^^^^^
| |
| first implementation here
| conflicting implementation for `((), SomeFieldTypeThatShouldNotImplementDomObject)`
|
||
|---|---|---|
| .. | ||
| codegen | ||
| callback.rs | ||
| cell.rs | ||
| constant.rs | ||
| conversions.rs | ||
| error.rs | ||
| guard.rs | ||
| inheritance.rs | ||
| interface.rs | ||
| iterable.rs | ||
| js.rs | ||
| mod.rs | ||
| mozmap.rs | ||
| namespace.rs | ||
| num.rs | ||
| proxyhandler.rs | ||
| refcounted.rs | ||
| reflector.rs | ||
| settings_stack.rs | ||
| str.rs | ||
| structuredclone.rs | ||
| trace.rs | ||
| utils.rs | ||
| weakref.rs | ||
| xmlname.rs | ||