Trait SettableProperty
pub trait SettableProperty<const I: u8>: NativeElement {
type Type: Clone;
const FIELD: SettablePropertyData<Self, I>;
const FOLD: Option<fn(Self::Type, Self::Type) -> Self::Type> = _;
// Provided methods
fn default() -> Self::Type { ... }
fn default_ref() -> &'static Self::Type { ... }
}Expand description
A field that has a default value and can be configured via a set rule, but is never present on elements.
This is provided for all SettableField impls through a blanket impl. In
the case of #[ghost] fields, which only live in the style chain and not in
elements, it is also implemented manually.
Required Associated Constants§
const FIELD: SettablePropertyData<Self, I>
Provided Associated Constants§
Required Associated Types§
Provided Methods§
fn default_ref() -> &'static Self::Type
fn default_ref() -> &'static Self::Type
Produces a static reference to this property’s default value.
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.