Trait mmtkvdb::Constraint

pub trait Constraint: Copy + 'static {
    const DUPLICATE_KEYS: bool;
}

Expand description

Constraints on database (type argument C to DbBuilder and Db)

Required Associated Constants§

const DUPLICATE_KEYS: bool

Duplicate keys allowed?

Implementors§

impl Constraint for KeysDuplicate

const DUPLICATE_KEYS: bool = true

impl Constraint for KeysUnique

const DUPLICATE_KEYS: bool = false