Enum rustc_trait_selection::infer::at::DefineOpaqueTypes
source · pub enum DefineOpaqueTypes {
Yes,
No,
}
Expand description
Whether we should define opaque types or just treat them opaquely.
Currently only used to prevent predicate matching from matching anything against opaque types.
Variants§
Auto Trait Implementations§
impl RefUnwindSafe for DefineOpaqueTypes
impl Send for DefineOpaqueTypes
impl Sync for DefineOpaqueTypes
impl Unpin for DefineOpaqueTypes
impl UnwindSafe for DefineOpaqueTypes
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 1 byte
Size for each variant:
Yes
: 0 bytesNo
: 0 bytes