pub fn insert_item(&self, key: &K, value: &V) -> MdbResult<()> {
        if try!(self.has_item(key, value)) {
            return Err(::lmdb::MdbError::KeyExists);
        }
        self.set(key, value)
    }
/// Checks if the item exists.
Checks if the item exists.
Checks if the item exists .
pub fn insert_item(&self, key: &K, value: &V) -> MdbResult<()> {
        if try!(self.has_item(key, value)) {
            return Err(::lmdb::MdbError::KeyExists);
        }
        self.set(key, value)
    }
pub fn insert_item ( & self , key : & K , value : & V ) -> MdbResult < ( ) > { if try ! ( self has_item ( key value ) ) { return Err ( :: lmdb :: MdbError :: KeyExists ) ; } self . set ( key , value ) }
Checks if the item exists.
Checks if the item exists .
&self
key
&K
value
&V
&self
key
&K
value
&V