pub trait ColumnTrait {
// Required method
fn name(&self) -> &'static str;
// Provided methods
fn column_type(&self) -> ColumnType { ... }
fn translation_key(&self) -> Option<&'static str> { ... }
}pub trait ColumnTrait {
// Required method
fn name(&self) -> &'static str;
// Provided methods
fn column_type(&self) -> ColumnType { ... }
fn translation_key(&self) -> Option<&'static str> { ... }
}