Trait Callsite
pub trait Callsite: Sync {
// Required methods
fn set_interest(&self, interest: Interest);
fn metadata(&self) -> &Metadata<'_>;
}Expand description
Trait implemented by callsites.
These functions are only intended to be called by the callsite registry, which correctly handles determining the common interest between all subscribers.
See the module-level documentation for details on callsites.
Required Methods§
fn set_interest(&self, interest: Interest)
fn set_interest(&self, interest: Interest)
Sets the Interest for this callsite.
See the documentation on callsite interest caching for details.
fn metadata(&self) -> &Metadata<'_>
fn metadata(&self) -> &Metadata<'_>
Returns the metadata associated with the callsite.
Note: Implementations of this method should not produce
Metadatathat share the same callsiteIdentifierbut otherwise differ in any way (e.g., have differentnames).