pub(in core) trait Markable {
type Value;
// Provided method
fn move_value(&self, _to_space: &Bump) -> Option<(Self::Value, bool)> { ... }
}
pub(in core) trait Markable {
type Value;
// Provided method
fn move_value(&self, _to_space: &Bump) -> Option<(Self::Value, bool)> { ... }
}