Method IsEqual

crypto/hash/hash.go:106–114

IsEqual returns true if target is the same as hash.

(target *Hash)

// IsEqual returns true if target is the same as hash.
func (h *Hash) IsEqual(target *Hash) bool {
	if h == nil && target == nil {
		return true
	}
	if h == nil || target == nil {
		return false
	}
	return *h == *target
}

// Difficulty returns the leading Zero **bit** count of Hash in binary.
//  return -1 indicate the Hash pointer is nil.