pub trait FieldRulesExt {
// Required methods
fn validation_rules(&self) -> Result<Option<FieldRules>>;
fn real_oneof(&self) -> Option<OneofDescriptor>;
fn optional(&self) -> bool;
}Required Methods§
fn validation_rules(&self) -> Result<Option<FieldRules>>
fn real_oneof(&self) -> Option<OneofDescriptor>
fn optional(&self) -> bool
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".