AppendPrettyHexDump appends bytes to string builder.

BorrowByteBuff borrows a ByteBuff from pool.

CountBorrowed returns borrowed ByteBuff amount.

NewCond creates a new Cond.

PrettyHexDump converts bytes to pretty hex dump string.

RandAlphabetic returns a string with random alphabets.

RandAlphanumeric returns a string with random alphabets and numbers.

RandFloat64 returns a random float64.

RandIntn returns a random int.

ReturnByteBuff returns a ByteBuff to pool.

DefaultKeepaliveInterval is default keepalive interval duration.

DefaultKeepaliveMaxLifetime is default keepalive max lifetime.

Cond is a customized Cond which support context.

ByteBuff provides byte buffer, which can be used for minimizing.