// CidToString converts a cid to string, representing cid.Undef as an empty string.
CidToString converts a cid to string, representing cid.Undef as an empty string.
// CidToString converts a cid to string representing cid . Undef as an empty string .
func CidToString(c cid.Cid) string {
	if c == cid.Undef {
		return CidUndef
	}
	return c.String()
}
func CidToString ( c cid . Cid ) string { if c == cid . Undef { return CidUndef } return c . String ( ) }
CidToString converts a cid to string, representing cid.Undef as an empty string.
CidToString converts a cid to string representing cid . Undef as an empty string .