pub trait NamedColumns {
// Required method
fn select_columns() -> &'static str;
}Required Methods§
Sourcefn select_columns() -> &'static str
fn select_columns() -> &'static str
should return something like “id”, “name”, “email”
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".