pub trait Fields {
// Required method
fn field(&self, kind: &str) -> Option<String>;
// Provided method
fn field_in(&self, kind: &str, lang: Option<&str>) -> Option<String> { ... }
}Expand description
Values for fields (slidenum, datetime…, footer). None keeps the field’s saved text.
Required Methods§
Provided Methods§
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".