Compactz returns nil if argument is empty or zero.

GobDecode decodes a gob-encoded value v.

GobEncode encodes e by using gob and returns.

HandleKillSig gets killing signals (interrupt, quit and terminate) and calls a registered handler function for cleanup.

IsZero returns true if argument is empty or zero.

PathMkdirAll make a path by joining paths and create directory if not exists.

Hasher exports default hash function for trie.