AES crypt data with key, iv key is either 16, 24, or 32 bytes to select AES-128, AES-192, or AES-256.

CombineSpaces combines multiple spaces to a single space.

GetOutboundIP preferred outbound ip of this machine.

MD5 returns str's md5 value which is 128 bits represented as 32 hex string.

NextID returns new ID created by default id generator.

RegisterAny bind typ with prototype E.g.

SHA1 returns str's sha1 value which is 160 bits represented as 40 hex string.

SHA256 returns str's sha256 value which is 256 bits 64 hex string.

UniqueID returns an unique id Deprecated: please use UniqueID32/UniqueID40/UniqueID64 instead.

UniqueID32 returns an unique id of 32 letters.

UniqueID40 returns an unique id of 40 letters.

UniqueID64 returns an unique id of 64 letters.

XOR xor data with key.

每个shard每ms不能超过64次调用.

最多8个shard.

1 << (10*3).

1 << (10*1).

1 << (10*2).

1 << (10*5).

1 << (10*4).

FullName defines user's full name.

M is a special map which provides convenient methods.