* Copyright 2020 ICON Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License.

Package errors is replacement package for standard errors package.

Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T.

HexPre returns hexadecimal string of prefix of byte slice bs.

Lock lock the locker and return handle for unlock to be used for deferred unlock.

Mutex is wrapper for sync.Mutex.