Trait rocksdb::merge_operator::MergeFn

pub trait MergeFn: Fn(&[u8], Option<&[u8]>, &MergeOperands) -> Option<Vec<u8>> + Send + Sync + 'static { }

Implementors

impl<F> MergeFn for F

where F: Fn(&[u8], Option<&[u8]>, &MergeOperands) -> Option<Vec<u8>> + Send + Sync + 'static,