static KeyValuePair <Key, Value> ReadPair(byte[] block, ref int offset)
{
offset += 1; // skip over header flag
offset += 4; // skip over the tree pointers
int keySize = Helper.Decode7BitInt(block, ref offset);
var key = new Key(ByteArray.From(block, offset, keySize));
offset += keySize;
int valueSize = Helper.Decode7BitInt(block, ref offset);
var val = Value.From(block, offset, valueSize);
offset += valueSize;
// if the next keySize bit is zero then we have exhausted this block. Set to -1 to terminate enumeration
if (offset >= Config.SortedBlockSize || block [offset] == (byte)RecordHeaderFlag.EndOfBlock)
{
offset = -1;
}
return(new KeyValuePair <Key, Value> (key, val));
}
